445464522 has 40 divisors (see below), whose sum is σ = 999375300. Its totient is φ = 148309056.

The previous prime is 445464521. The next prime is 445464527. The reversal of 445464522 is 225464544.

445464522 is a `hidden beast` number, since 4 + 4 + 5 + 4 + 645 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 435598641 + 9865881 = 20871^2 + 3141^2 .

It is not an unprimeable number, because it can be changed into a prime (445464521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 259804 + ... + 261512.

Almost surely, 2^445464522 is an apocalyptic number.

445464522 is an abundant number, since it is smaller than the sum of its proper divisors (553910778).

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

445464522 is a wasteful number, since it uses less digits than its factorization.

445464522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332 (or 3323 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 445464522 is about 21106.0304652486. The cubic root of 445464522 is about 763.7262309126.

The spelling of 445464522 in words is "four hundred forty-five million, four hundred sixty-four thousand, five hundred twenty-two".