What is the number 45?
The number 45 is an odd number that comes just after 44 and right before 46. It is not a prime number because it can be evenly divided by 3, 5, 9, and 15, in addition to 1 and itself. In American politics, Donald Trump was the 45th president of the United States. He served from 2017 to 2021 and was known for his background in business and television before entering politics. In music, 45 RPM records were popular vinyl singles, especially during the mid-20th century. In mathematics, 45 is the sum of all digits from 1 to 9 and is also a triangular number, meaning it can form a perfect triangle when represented with dots.
Number 45 in different languages
- English: Forty-five
- French: Quarante-cinq
- Spanish: Cuarenta y cinco
- Arabic: خمسة وأربعون
- German: Fünfundvierzig
- Chinese: 四十五
- Japanese: 四十五
- Korean: 마흔다섯
- Portuguese: Quarenta e cinco
- Italian: Quarantacinque
- Hindi: पैंतालीस
- Russian: Сорок пять
- Turkish: Kırk beş