45919164 has 12 divisors (see below), whose sum is σ = 107144744. Its totient is φ = 15306384.

The previous prime is 45919087. The next prime is 45919177. The reversal of 45919164 is 46191954.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913287 + ... + 1913310.

Almost surely, 2^45919164 is an apocalyptic number.

It is an amenable number.

45919164 is an abundant number, since it is smaller than the sum of its proper divisors (61225580).

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

45919164 is a wasteful number, since it uses less digits than its factorization.

45919164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826604 (or 3826602 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 45919164 is about 6776.3680537586. The cubic root of 45919164 is about 358.0947805183.

The spelling of 45919164 in words is "forty-five million, nine hundred nineteen thousand, one hundred sixty-four".