45874009 has 2 divisors, whose sum is σ = 45874010. Its totient is φ = 45874008.

The previous prime is 45874001. The next prime is 45874033. The reversal of 45874009 is 90047854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28858384 + 17015625 = 5372^2 + 4125^2 .

It is a cyclic number.

It is not a de Polignac number, because 45874009 - 2³ = 45874001 is a prime.

It is not a weakly prime, because it can be changed into another prime (45874001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22937004 + 22937005.

It is an arithmetic number, because the mean of its divisors is an integer number (22937005).

Almost surely, 2^45874009 is an apocalyptic number.

It is an amenable number.

45874009 is a deficient number, since it is larger than the sum of its proper divisors (1).

45874009 is an equidigital number, since it uses as much as digits as its factorization.

45874009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 45874009 is about 6773.0354347220. The cubic root of 45874009 is about 357.9773635074.

The spelling of 45874009 in words is "forty-five million, eight hundred seventy-four thousand, nine".