45447008 has 24 divisors (see below), whose sum is σ = 90033048. Its totient is φ = 22581504.

The previous prime is 45446981. The next prime is 45447037. The reversal of 45447008 is 80074454.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent 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, 860 + ... + 9572.

It is an arithmetic number, because the mean of its divisors is an integer number (3751377).

Almost surely, 2^45447008 is an apocalyptic number.

It is an amenable number.

45447008 is a deficient number, since it is larger than the sum of its proper divisors (44586040).

45447008 is a wasteful number, since it uses less digits than its factorization.

45447008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8886 (or 8878 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 45447008 is about 6741.4396088669. The cubic root of 45447008 is about 356.8632000765.

The spelling of 45447008 in words is "forty-five million, four hundred forty-seven thousand, eight".