45284228 has 24 divisors (see below), whose sum is σ = 87747744. Its totient is φ = 20275200.

The previous prime is 45284191. The next prime is 45284257. The reversal of 45284228 is 82248254.

It is a super-2 number, since 2×45284228² = 4101322611111968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 4733 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (3656156).

Almost surely, 2^45284228 is an apocalyptic number.

It is an amenable number.

45284228 is a deficient number, since it is larger than the sum of its proper divisors (42463516).

45284228 is a wasteful number, since it uses less digits than its factorization.

45284228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15443 (or 15441 counting only the distinct ones).

The product of its digits is 40960, while the sum is 35.

The square root of 45284228 is about 6729.3556898116. The cubic root of 45284228 is about 356.4366249836.

The spelling of 45284228 in words is "forty-five million, two hundred eighty-four thousand, two hundred twenty-eight".