445561132 has 12 divisors (see below), whose sum is σ = 779989896. Its totient is φ = 222706880.

The previous prime is 445561111. The next prime is 445561159. The reversal of 445561132 is 231165544.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 445561094 and 445561103.

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, 3469 + ... + 30052.

It is an arithmetic number, because the mean of its divisors is an integer number (64999158).

Almost surely, 2^445561132 is an apocalyptic number.

It is an amenable number.

445561132 is a deficient number, since it is larger than the sum of its proper divisors (334428764).

445561132 is a wasteful number, since it uses less digits than its factorization.

445561132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36848 (or 36846 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 445561132 is about 21108.3190235509. The cubic root of 445561132 is about 763.7814378963.

The spelling of 445561132 in words is "four hundred forty-five million, five hundred sixty-one thousand, one hundred thirty-two".