45688168 has 16 divisors (see below), whose sum is σ = 86242500. Its totient is φ = 22690176.

The previous prime is 45688151. The next prime is 45688169. The reversal of 45688168 is 86188654.

It can be written as a sum of positive squares in 2 ways, for example, as 43322724 + 2365444 = 6582^2 + 1538^2 .

It is not an unprimeable number, because it can be changed into a prime (45688169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17973 + ... + 20356.

Almost surely, 2^45688168 is an apocalyptic number.

It is an amenable number.

45688168 is a deficient number, since it is larger than the sum of its proper divisors (40554332).

45688168 is a wasteful number, since it uses less digits than its factorization.

45688168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38484 (or 38480 counting only the distinct ones).

The product of its digits is 368640, while the sum is 46.

The square root of 45688168 is about 6759.3023308623. The cubic root of 45688168 is about 357.4933064748.

The spelling of 45688168 in words is "forty-five million, six hundred eighty-eight thousand, one hundred sixty-eight".