45428256 has 48 divisors (see below), whose sum is σ = 132501600. Its totient is φ = 15142464.

The previous prime is 45428249. The next prime is 45428291. The reversal of 45428256 is 65282454.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 45428256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25426 + ... + 27153.

It is an arithmetic number, because the mean of its divisors is an integer number (2760450).

Almost surely, 2^45428256 is an apocalyptic number.

It is an amenable number.

45428256 is an abundant number, since it is smaller than the sum of its proper divisors (87073344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45428256 is a wasteful number, since it uses less digits than its factorization.

45428256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52598 (or 52584 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 45428256 is about 6740.0486645127. The cubic root of 45428256 is about 356.8141112613.

The spelling of 45428256 in words is "forty-five million, four hundred twenty-eight thousand, two hundred fifty-six".