445274032 has 20 divisors (see below), whose sum is σ = 985964176. Its totient is φ = 190831680.

The previous prime is 445274029. The next prime is 445274051. The reversal of 445274032 is 230472544.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 445273985 and 445274003.

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, 1987719 + ... + 1987942.

Almost surely, 2^445274032 is an apocalyptic number.

It is an amenable number.

445274032 is an abundant number, since it is smaller than the sum of its proper divisors (540690144).

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

445274032 is a wasteful number, since it uses less digits than its factorization.

445274032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975676 (or 3975670 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 445274032 is about 21101.5172914177. The cubic root of 445274032 is about 763.6173535912.

The spelling of 445274032 in words is "four hundred forty-five million, two hundred seventy-four thousand, thirty-two".