45057188 has 24 divisors (see below), whose sum is σ = 86685984. Its totient is φ = 20321600.

The previous prime is 45057169. The next prime is 45057193. The reversal of 45057188 is 88175054.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1856 + ... + 9672.

It is an arithmetic number, because the mean of its divisors is an integer number (3611916).

Almost surely, 2^45057188 is an apocalyptic number.

It is an amenable number.

45057188 is a deficient number, since it is larger than the sum of its proper divisors (41628796).

45057188 is a wasteful number, since it uses less digits than its factorization.

45057188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963 (or 7961 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 45057188 is about 6712.4651209522. The cubic root of 45057188 is about 355.8399419356.

The spelling of 45057188 in words is "forty-five million, fifty-seven thousand, one hundred eighty-eight".