445872 has 40 divisors (see below), whose sum is σ = 1317376. Its totient is φ = 127296.

The previous prime is 445871. The next prime is 445877. The reversal of 445872 is 278544.

It is not an unprimeable number, because it can be changed into a prime (445871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328 + ... + 999.

2⁴⁴⁵⁸⁷² is an apocalyptic number.

445872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

445872 is an abundant number, since it is smaller than the sum of its proper divisors (871504).

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

445872 is a wasteful number, since it uses less digits than its factorization.

445872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1339 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 445872 is about 667.7364749660. The cubic root of 445872 is about 76.3959026704.

The spelling of 445872 in words is "four hundred forty-five thousand, eight hundred seventy-two".