45078028 has 6 divisors (see below), whose sum is σ = 78886556. Its totient is φ = 22539012.

The previous prime is 45077993. The next prime is 45078031. The reversal of 45078028 is 82087054.

It is a junction number, because it is equal to n+sod(n) for n = 45077984 and 45078002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5634750 + ... + 5634757.

Almost surely, 2^45078028 is an apocalyptic number.

It is an amenable number.

45078028 is a deficient number, since it is larger than the sum of its proper divisors (33808528).

45078028 is a wasteful number, since it uses less digits than its factorization.

45078028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11269511 (or 11269509 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 45078028 is about 6714.0172773087. The cubic root of 45078028 is about 355.8947949028.

The spelling of 45078028 in words is "forty-five million, seventy-eight thousand, twenty-eight".