445756812 has 48 divisors (see below), whose sum is σ = 1086661632. Its totient is φ = 142050240.

The previous prime is 445756811. The next prime is 445756823. The reversal of 445756812 is 218657544.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (445756811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23658 + ... + 38094.

It is an arithmetic number, because the mean of its divisors is an integer number (22638784).

Almost surely, 2^445756812 is an apocalyptic number.

It is an amenable number.

445756812 is an abundant number, since it is smaller than the sum of its proper divisors (640904820).

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

445756812 is a wasteful number, since it uses less digits than its factorization.

445756812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14558 (or 14556 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 445756812 is about 21112.9536540959. The cubic root of 445756812 is about 763.8932331638.

The spelling of 445756812 in words is "four hundred forty-five million, seven hundred fifty-six thousand, eight hundred twelve".