445024252 has 18 divisors (see below), whose sum is σ = 793783928. Its totient is φ = 218308272.

The previous prime is 445024211. The next prime is 445024277. The reversal of 445024252 is 252420544.

It is a self number, because there is not a number n which added to its sum of digits gives 445024252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8568 + ... + 31039.

Almost surely, 2^445024252 is an apocalyptic number.

It is an amenable number.

445024252 is a deficient number, since it is larger than the sum of its proper divisors (348759676).

445024252 is a wasteful number, since it uses less digits than its factorization.

445024252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39717 (or 39662 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 445024252 is about 21095.5979294259. The cubic root of 445024252 is about 763.4745411469.

Adding to 445024252 its reverse (252420544), we get a palindrome (697444796).

The spelling of 445024252 in words is "four hundred forty-five million, twenty-four thousand, two hundred fifty-two".