445044852 has 54 divisors (see below), whose sum is σ = 1308648978. Its totient is φ = 127155168.

The previous prime is 445044829. The next prime is 445044857. The reversal of 445044852 is 258440544.

It can be written as a sum of positive squares in only one way, i.e., 444535056 + 509796 = 21084^2 + 714^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445044857) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 124383 + ... + 127910.

Almost surely, 2^445044852 is an apocalyptic number.

445044852 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

445044852 is an abundant number, since it is smaller than the sum of its proper divisors (863604126).

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

445044852 is a wasteful number, since it uses less digits than its factorization.

445044852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252317 (or 252305 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

The square root of 445044852 is about 21096.0861772984. The cubic root of 445044852 is about 763.4863212786.

The spelling of 445044852 in words is "four hundred forty-five million, forty-four thousand, eight hundred fifty-two".