445688324 has 12 divisors (see below), whose sum is σ = 780574284. Its totient is φ = 222667104.

The previous prime is 445688323. The next prime is 445688351. The reversal of 445688324 is 423886544.

It can be written as a sum of positive squares in 2 ways, for example, as 175085824 + 270602500 = 13232^2 + 16450^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (445688323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38519 + ... + 48734.

It is an arithmetic number, because the mean of its divisors is an integer number (65047857).

Almost surely, 2^445688324 is an apocalyptic number.

It is an amenable number.

445688324 is a deficient number, since it is larger than the sum of its proper divisors (334885960).

445688324 is a wasteful number, since it uses less digits than its factorization.

445688324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88534 (or 88532 counting only the distinct ones).

The product of its digits is 737280, while the sum is 44.

The square root of 445688324 is about 21111.3316491405. The cubic root of 445688324 is about 763.8541085425.

The spelling of 445688324 in words is "four hundred forty-five million, six hundred eighty-eight thousand, three hundred twenty-four".