45164938 has 64 divisors (see below), whose sum is σ = 90397440. Its totient is φ = 16422912.

The previous prime is 45164929. The next prime is 45164941. The reversal of 45164938 is 83946154.

It is a self number, because there is not a number n which added to its sum of digits gives 45164938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127770 + ... + 128122.

It is an arithmetic number, because the mean of its divisors is an integer number (1412460).

Almost surely, 2^45164938 is an apocalyptic number.

45164938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

45164938 is a wasteful number, since it uses less digits than its factorization.

45164938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its digits is 103680, while the sum is 40.

The square root of 45164938 is about 6720.4864407273. The cubic root of 45164938 is about 356.1233686386.

The spelling of 45164938 in words is "forty-five million, one hundred sixty-four thousand, nine hundred thirty-eight".