45688868 has 6 divisors (see below), whose sum is σ = 79955526. Its totient is φ = 22844432.

The previous prime is 45688849. The next prime is 45688889. The reversal of 45688868 is 86888654.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 4831204 = 6392^2 + 2198^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711105 + ... + 5711112.

It is an arithmetic number, because the mean of its divisors is an integer number (13325921).

Almost surely, 2^45688868 is an apocalyptic number.

It is an amenable number.

45688868 is a deficient number, since it is larger than the sum of its proper divisors (34266658).

45688868 is a wasteful number, since it uses less digits than its factorization.

45688868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11422221 (or 11422219 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 53.

The square root of 45688868 is about 6759.3541111559. The cubic root of 45688868 is about 357.4951322140.

The spelling of 45688868 in words is "forty-five million, six hundred eighty-eight thousand, eight hundred sixty-eight".