45315428 has 24 divisors (see below), whose sum is σ = 85424640. Its totient is φ = 20972160.

The previous prime is 45315409. The next prime is 45315443. The reversal of 45315428 is 82451354.

It is a junction number, because it is equal to n+sod(n) for n = 45315394 and 45315403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5093 + ... + 10796.

It is an arithmetic number, because the mean of its divisors is an integer number (3559360).

Almost surely, 2^45315428 is an apocalyptic number.

It is an amenable number.

45315428 is a deficient number, since it is larger than the sum of its proper divisors (40109212).

45315428 is a wasteful number, since it uses less digits than its factorization.

45315428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15947 (or 15945 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 45315428 is about 6731.6734917849. The cubic root of 45315428 is about 356.5184656167.

The spelling of 45315428 in words is "forty-five million, three hundred fifteen thousand, four hundred twenty-eight".