445205652 has 24 divisors (see below), whose sum is σ = 1040375616. Its totient is φ = 148178688.

The previous prime is 445205647. The next prime is 445205669. The reversal of 445205652 is 256502544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19488 + ... + 35639.

It is an arithmetic number, because the mean of its divisors is an integer number (43348984).

Almost surely, 2^445205652 is an apocalyptic number.

It is an amenable number.

445205652 is an abundant number, since it is smaller than the sum of its proper divisors (595169964).

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

445205652 is a wasteful number, since it uses less digits than its factorization.

445205652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55807 (or 55805 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 445205652 is about 21099.8969665731. The cubic root of 445205652 is about 763.5782624368.

The spelling of 445205652 in words is "four hundred forty-five million, two hundred five thousand, six hundred fifty-two".