45075028 has 12 divisors (see below), whose sum is σ = 81013492. Its totient is φ = 21928320.

The previous prime is 45075013. The next prime is 45075047. The reversal of 45075028 is 82057054.

It can be written as a sum of positive squares in 2 ways, for example, as 29724304 + 15350724 = 5452^2 + 3918^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 152133 + ... + 152428.

Almost surely, 2^45075028 is an apocalyptic number.

It is an amenable number.

45075028 is a deficient number, since it is larger than the sum of its proper divisors (35938464).

45075028 is a wasteful number, since it uses less digits than its factorization.

45075028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304602 (or 304600 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 45075028 is about 6713.7938604041. The cubic root of 45075028 is about 355.8868996442.

The spelling of 45075028 in words is "forty-five million, seventy-five thousand, twenty-eight".