45315628 has 12 divisors (see below), whose sum is σ = 79714600. Its totient is φ = 22540032.

The previous prime is 45315623. The next prime is 45315629. The reversal of 45315628 is 82651354.

It is a super-2 number, since 2×45315628² = 4107012282068768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45315593 and 45315602.

It is not an unprimeable number, because it can be changed into a prime (45315623) 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, 28578 + ... + 30121.

Almost surely, 2^45315628 is an apocalyptic number.

It is an amenable number.

45315628 is a deficient number, since it is larger than the sum of its proper divisors (34398972).

45315628 is a wasteful number, since it uses less digits than its factorization.

45315628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58896 (or 58894 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 45315628 is about 6731.6883469157. The cubic root of 45315628 is about 356.5189901149.

The spelling of 45315628 in words is "forty-five million, three hundred fifteen thousand, six hundred twenty-eight".