445611852 has 72 divisors (see below), whose sum is σ = 1289267616. Its totient is φ = 127125504.

The previous prime is 445611847. The next prime is 445611857. The reversal of 445611852 is 258116544.

It is a happy number.

445611852 is a `hidden beast` number, since 44 + 561 + 1 + 8 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (445611847) and next prime (445611857).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (445611857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305958 + ... + 307410.

Almost surely, 2^445611852 is an apocalyptic number.

445611852 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

445611852 is an abundant number, since it is smaller than the sum of its proper divisors (843655764).

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

445611852 is a wasteful number, since it uses less digits than its factorization.

445611852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687 (or 2682 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 445611852 is about 21109.5204114163. The cubic root of 445611852 is about 763.8104182254.

The spelling of 445611852 in words is "four hundred forty-five million, six hundred eleven thousand, eight hundred fifty-two".