445432512 has 56 divisors (see below), whose sum is σ = 1346907136. Its totient is φ = 127266048.

The previous prime is 445432469. The next prime is 445432541. The reversal of 445432512 is 215234544.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 445432512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164368 + ... + 167055.

Almost surely, 2^445432512 is an apocalyptic number.

445432512 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

445432512 is an abundant number, since it is smaller than the sum of its proper divisors (901474624).

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

445432512 is a wasteful number, since it uses less digits than its factorization.

445432512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331445 (or 331435 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 445432512 is about 21105.2721375489. The cubic root of 445432512 is about 763.7079373029.

The spelling of 445432512 in words is "four hundred forty-five million, four hundred thirty-two thousand, five hundred twelve".