445657012 has 12 divisors (see below), whose sum is σ = 789772480. Its totient is φ = 220007736.

The previous prime is 445656979. The next prime is 445657067. The reversal of 445657012 is 210756544.

It is a super-2 number, since 2×445657012² = 397220344689536288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 704838 + ... + 705469.

Almost surely, 2^445657012 is an apocalyptic number.

It is an amenable number.

445657012 is a deficient number, since it is larger than the sum of its proper divisors (344115468).

445657012 is a wasteful number, since it uses less digits than its factorization.

445657012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410390 (or 1410388 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 445657012 is about 21110.5900438619. The cubic root of 445657012 is about 763.8362198381.

The spelling of 445657012 in words is "four hundred forty-five million, six hundred fifty-seven thousand, twelve".