45131164 has 24 divisors (see below), whose sum is σ = 87801728. Its totient is φ = 20157120.

The previous prime is 45131161. The next prime is 45131173. The reversal of 45131164 is 46113154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45131161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12387 + ... + 15610.

Almost surely, 2^45131164 is an apocalyptic number.

It is an amenable number.

45131164 is a deficient number, since it is larger than the sum of its proper divisors (42670564).

45131164 is a wasteful number, since it uses less digits than its factorization.

45131164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28045 (or 28043 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 45131164 is about 6717.9732062580. The cubic root of 45131164 is about 356.0345777128.

The spelling of 45131164 in words is "forty-five million, one hundred thirty-one thousand, one hundred sixty-four".