45902157 has 32 divisors (see below), whose sum is σ = 76185600. Its totient is φ = 23986368.

The previous prime is 45902149. The next prime is 45902161. The reversal of 45902157 is 75120954.

It is not a de Polignac number, because 45902157 - 2³ = 45902149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45902137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9588 + ... + 13554.

It is an arithmetic number, because the mean of its divisors is an integer number (2380800).

Almost surely, 2^45902157 is an apocalyptic number.

It is an amenable number.

45902157 is a deficient number, since it is larger than the sum of its proper divisors (30283443).

45902157 is a wasteful number, since it uses less digits than its factorization.

45902157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 45902157 is about 6775.1130617872. The cubic root of 45902157 is about 358.0505660813.

The spelling of 45902157 in words is "forty-five million, nine hundred two thousand, one hundred fifty-seven".