45188164 has 24 divisors (see below), whose sum is σ = 90939968. Its totient is φ = 19245600.

The previous prime is 45188161. The next prime is 45188167. The reversal of 45188164 is 46188154.

It is an interprime number because it is at equal distance from previous prime (45188161) and next prime (45188167).

It is not an unprimeable number, because it can be changed into a prime (45188161) 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, 387 + ... + 9514.

Almost surely, 2^45188164 is an apocalyptic number.

It is an amenable number.

45188164 is an abundant number, since it is smaller than the sum of its proper divisors (45751804).

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

45188164 is a wasteful number, since it uses less digits than its factorization.

45188164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10075 (or 10073 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 45188164 is about 6722.2142185444. The cubic root of 45188164 is about 356.1844034759.

The spelling of 45188164 in words is "forty-five million, one hundred eighty-eight thousand, one hundred sixty-four".