45687748 has 12 divisors (see below), whose sum is σ = 82114732. Its totient is φ = 22226400.

The previous prime is 45687727. The next prime is 45687751. The reversal of 45687748 is 84778654.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43665664 + 2022084 = 6608^2 + 1422^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154203 + ... + 154498.

Almost surely, 2^45687748 is an apocalyptic number.

It is an amenable number.

45687748 is a deficient number, since it is larger than the sum of its proper divisors (36426984).

45687748 is a wasteful number, since it uses less digits than its factorization.

45687748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308742 (or 308740 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The square root of 45687748 is about 6759.2712624957. The cubic root of 45687748 is about 357.4922110224.

The spelling of 45687748 in words is "forty-five million, six hundred eighty-seven thousand, seven hundred forty-eight".