445465492 has 12 divisors (see below), whose sum is σ = 798578676. Its totient is φ = 217300160.

The previous prime is 445465487. The next prime is 445465511. The reversal of 445465492 is 294564544.

It can be written as a sum of positive squares in 2 ways, for example, as 87347716 + 358117776 = 9346^2 + 18924^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357963 + ... + 1358290.

It is an arithmetic number, because the mean of its divisors is an integer number (66548223).

Almost surely, 2^445465492 is an apocalyptic number.

It is an amenable number.

445465492 is a deficient number, since it is larger than the sum of its proper divisors (353113184).

445465492 is a wasteful number, since it uses less digits than its factorization.

445465492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716298 (or 2716296 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The square root of 445465492 is about 21106.0534444505. The cubic root of 445465492 is about 763.7267852507.

The spelling of 445465492 in words is "four hundred forty-five million, four hundred sixty-five thousand, four hundred ninety-two".