445912 has 16 divisors (see below), whose sum is σ = 844200. Its totient is φ = 220800.

The previous prime is 445891. The next prime is 445931. The reversal of 445912 is 219544.

It is a congruent number.

It is an unprimeable number.

445912 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 912 + ... + 1312.

2⁴⁴⁵⁹¹² is an apocalyptic number.

It is an amenable number.

445912 is a deficient number, since it is larger than the sum of its proper divisors (398288).

445912 is a wasteful number, since it uses less digits than its factorization.

445912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 542 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 445912 is about 667.7664262300. The cubic root of 445912 is about 76.3981871412.

The spelling of 445912 in words is "four hundred forty-five thousand, nine hundred twelve".