45254728 has 16 divisors (see below), whose sum is σ = 85236480. Its totient is φ = 22525008.

The previous prime is 45254717. The next prime is 45254743. The reversal of 45254728 is 82745254.

It is a happy 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, 10900 + ... + 14467.

It is an arithmetic number, because the mean of its divisors is an integer number (5327280).

Almost surely, 2^45254728 is an apocalyptic number.

It is an amenable number.

45254728 is a deficient number, since it is larger than the sum of its proper divisors (39981752).

45254728 is a wasteful number, since it uses less digits than its factorization.

45254728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25596 (or 25592 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 45254728 is about 6727.1634438298. The cubic root of 45254728 is about 356.3592090340.

The spelling of 45254728 in words is "forty-five million, two hundred fifty-four thousand, seven hundred twenty-eight".