45012008 has 16 divisors (see below), whose sum is σ = 84729780. Its totient is φ = 22417408.

The previous prime is 45011983. The next prime is 45012029. The reversal of 45012008 is 80021054.

It can be written as a sum of positive squares in 2 ways, for example, as 36024004 + 8988004 = 6002^2 + 2998^2 .

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, 8891 + ... + 13002.

Almost surely, 2^45012008 is an apocalyptic number.

It is an amenable number.

45012008 is a deficient number, since it is larger than the sum of its proper divisors (39717772).

45012008 is a wasteful number, since it uses less digits than its factorization.

45012008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22156 (or 22152 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 45012008 is about 6709.0988962751. The cubic root of 45012008 is about 355.7209655425.

The spelling of 45012008 in words is "forty-five million, twelve thousand, eight".