445545252 has 24 divisors (see below), whose sum is σ = 1155117600. Its totient is φ = 148515048.

The previous prime is 445545229. The next prime is 445545253. The reversal of 445545252 is 252545544.

445545252 is a `hidden beast` number, since 4 + 4 + 554 + 52 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (445545253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2062602 + ... + 2062817.

It is an arithmetic number, because the mean of its divisors is an integer number (48129900).

Almost surely, 2^445545252 is an apocalyptic number.

It is an amenable number.

445545252 is an abundant number, since it is smaller than the sum of its proper divisors (709572348).

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

445545252 is a wasteful number, since it uses less digits than its factorization.

445545252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125432 (or 4125424 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 445545252 is about 21107.9428651870. The cubic root of 445545252 is about 763.7723639500.

The spelling of 445545252 in words is "four hundred forty-five million, five hundred forty-five thousand, two hundred fifty-two".