445252 has 12 divisors (see below), whose sum is σ = 785260. Its totient is φ = 220896.

The previous prime is 445229. The next prime is 445261. The reversal of 445252 is 252544.

It can be written as a sum of positive squares in 2 ways, for example, as 92416 + 352836 = 304^2 + 594^2 .

It is an unprimeable number.

445252 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274 + ... + 982.

2⁴⁴⁵²⁵² is an apocalyptic number.

It is an amenable number.

445252 is a deficient number, since it is larger than the sum of its proper divisors (340008).

445252 is a wasteful number, since it uses less digits than its factorization.

445252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 868 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 445252 is about 667.2720584589. The cubic root of 445252 is about 76.3604758879.

Adding to 445252 its reverse (252544), we get a palindrome (697796).

The spelling of 445252 in words is "four hundred forty-five thousand, two hundred fifty-two".