445542828 has 24 divisors (see below), whose sum is σ = 1040023488. Its totient is φ = 148453776.

The previous prime is 445542787. The next prime is 445542829. The reversal of 445542828 is 828245544.

It is a self number, because there is not a number n which added to its sum of digits gives 445542828.

It is not an unprimeable number, because it can be changed into a prime (445542829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30975 + ... + 43017.

It is an arithmetic number, because the mean of its divisors is an integer number (43334312).

Almost surely, 2^445542828 is an apocalyptic number.

It is an amenable number.

445542828 is an abundant number, since it is smaller than the sum of its proper divisors (594480660).

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

445542828 is a wasteful number, since it uses less digits than its factorization.

445542828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15133 (or 15131 counting only the distinct ones).

The product of its digits is 409600, while the sum is 42.

The square root of 445542828 is about 21107.8854459654. The cubic root of 445542828 is about 763.7709788400.

The spelling of 445542828 in words is "four hundred forty-five million, five hundred forty-two thousand, eight hundred twenty-eight".