445236852 has 48 divisors (see below), whose sum is σ = 1088543232. Its totient is φ = 141372000.

The previous prime is 445236839. The next prime is 445236859. The reversal of 445236852 is 258632544.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 445236852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445236859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66063 + ... + 72489.

It is an arithmetic number, because the mean of its divisors is an integer number (22677984).

Almost surely, 2^445236852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445236852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544271616).

445236852 is an abundant number, since it is smaller than the sum of its proper divisors (643306380).

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

445236852 is a wasteful number, since it uses less digits than its factorization.

445236852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708 (or 6706 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 445236852 is about 21100.6362937235. The cubic root of 445236852 is about 763.5960992015.

The spelling of 445236852 in words is "four hundred forty-five million, two hundred thirty-six thousand, eight hundred fifty-two".