45115907 has 2 divisors, whose sum is σ = 45115908. Its totient is φ = 45115906.

The previous prime is 45115897. The next prime is 45115927. The reversal of 45115907 is 70951154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45115907 - 2⁶ = 45115843 is a prime.

It is equal to p_2724773 and since 45115907 and 2724773 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (45115927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22557953 + 22557954.

It is an arithmetic number, because the mean of its divisors is an integer number (22557954).

Almost surely, 2^45115907 is an apocalyptic number.

45115907 is a deficient number, since it is larger than the sum of its proper divisors (1).

45115907 is an equidigital number, since it uses as much as digits as its factorization.

45115907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 45115907 is about 6716.8375743351. The cubic root of 45115907 is about 355.9944529498.

The spelling of 45115907 in words is "forty-five million, one hundred fifteen thousand, nine hundred seven".