445253244 has 12 divisors (see below), whose sum is σ = 1038924264. Its totient is φ = 148417744.

The previous prime is 445253197. The next prime is 445253267. The reversal of 445253244 is 442352544.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18552207 + ... + 18552230.

It is an arithmetic number, because the mean of its divisors is an integer number (86577022).

Almost surely, 2^445253244 is an apocalyptic number.

It is an amenable number.

445253244 is an abundant number, since it is smaller than the sum of its proper divisors (593671020).

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

445253244 is a wasteful number, since it uses less digits than its factorization.

445253244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37104444 (or 37104442 counting only the distinct ones).

The product of its digits is 76800, while the sum is 33.

The square root of 445253244 is about 21101.0247144540. The cubic root of 445253244 is about 763.6054700293.

The spelling of 445253244 in words is "four hundred forty-five million, two hundred fifty-three thousand, two hundred forty-four".