445432120 has 32 divisors (see below), whose sum is σ = 1145397600. Its totient is φ = 152719488.

The previous prime is 445432103. The next prime is 445432139. The reversal of 445432120 is 21234544.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795135 + ... + 795694.

It is an arithmetic number, because the mean of its divisors is an integer number (35793675).

Almost surely, 2^445432120 is an apocalyptic number.

445432120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445432120 is an abundant number, since it is smaller than the sum of its proper divisors (699965480).

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

445432120 is a wasteful number, since it uses less digits than its factorization.

445432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590847 (or 1590843 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 445432120 is about 21105.2628507678. The cubic root of 445432120 is about 763.7077132708.

Adding to 445432120 its reverse (21234544), we get a palindrome (466666664).

The spelling of 445432120 in words is "four hundred forty-five million, four hundred thirty-two thousand, one hundred twenty".