445674228 has 24 divisors (see below), whose sum is σ = 1073452800. Its totient is φ = 143765760.

The previous prime is 445674217. The next prime is 445674247. The reversal of 445674228 is 822476544.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 445674228.

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, 598653 + ... + 599396.

It is an arithmetic number, because the mean of its divisors is an integer number (44727200).

Almost surely, 2^445674228 is an apocalyptic number.

It is an amenable number.

445674228 is an abundant number, since it is smaller than the sum of its proper divisors (627778572).

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

445674228 is a wasteful number, since it uses less digits than its factorization.

445674228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198087 (or 1198085 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 445674228 is about 21110.9977973567. The cubic root of 445674228 is about 763.8460555299.

The spelling of 445674228 in words is "four hundred forty-five million, six hundred seventy-four thousand, two hundred twenty-eight".