45645456 has 20 divisors (see below), whose sum is σ = 117917552. Its totient is φ = 15215136.

The previous prime is 45645443. The next prime is 45645461. The reversal of 45645456 is 65454654.

45645456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475426 + ... + 475521.

Almost surely, 2^45645456 is an apocalyptic number.

It is an amenable number.

45645456 is an abundant number, since it is smaller than the sum of its proper divisors (72272096).

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

45645456 is a wasteful number, since it uses less digits than its factorization.

45645456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950958 (or 950952 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

The square root of 45645456 is about 6756.1420944205. The cubic root of 45645456 is about 357.3818697838.

The spelling of 45645456 in words is "forty-five million, six hundred forty-five thousand, four hundred fifty-six".