45642628 has 12 divisors (see below), whose sum is σ = 79924572. Its totient is φ = 22807040.

The previous prime is 45642581. The next prime is 45642629. The reversal of 45642628 is 82624654.

It can be written as a sum of positive squares in 2 ways, for example, as 36869184 + 8773444 = 6072^2 + 2962^2 .

It is not an unprimeable number, because it can be changed into a prime (45642629) 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, 7308 + ... + 12028.

It is an arithmetic number, because the mean of its divisors is an integer number (6660381).

Almost surely, 2^45642628 is an apocalyptic number.

It is an amenable number.

45642628 is a deficient number, since it is larger than the sum of its proper divisors (34281944).

45642628 is a wasteful number, since it uses less digits than its factorization.

45642628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7142 (or 7140 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 45642628 is about 6755.9328001394. The cubic root of 45642628 is about 357.3744890068.

The spelling of 45642628 in words is "forty-five million, six hundred forty-two thousand, six hundred twenty-eight".