45030256 has 20 divisors (see below), whose sum is σ = 87887232. Its totient is φ = 22349696.

The previous prime is 45030253. The next prime is 45030283. The reversal of 45030256 is 65203054.

It is a self number, because there is not a number n which added to its sum of digits gives 45030256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45030253) 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, 8080 + ... + 12463.

Almost surely, 2^45030256 is an apocalyptic number.

It is an amenable number.

45030256 is a deficient number, since it is larger than the sum of its proper divisors (42856976).

45030256 is a wasteful number, since it uses less digits than its factorization.

45030256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20688 (or 20682 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 45030256 is about 6710.4587026522. The cubic root of 45030256 is about 355.7690291555.

The spelling of 45030256 in words is "forty-five million, thirty thousand, two hundred fifty-six".