45140904 has 48 divisors (see below), whose sum is σ = 127576800. Its totient is φ = 14392224.

The previous prime is 45140873. The next prime is 45140911. The reversal of 45140904 is 40904154.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11974 + ... + 15285.

It is an arithmetic number, because the mean of its divisors is an integer number (2657850).

Almost surely, 2^45140904 is an apocalyptic number.

It is an amenable number.

45140904 is an abundant number, since it is smaller than the sum of its proper divisors (82435896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45140904 is a wasteful number, since it uses less digits than its factorization.

45140904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27294 (or 27287 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 45140904 is about 6718.6980881715. The cubic root of 45140904 is about 356.0601884516.

The spelling of 45140904 in words is "forty-five million, one hundred forty thousand, nine hundred four".