45044228 has 6 divisors (see below), whose sum is σ = 78827406. Its totient is φ = 22522112.

The previous prime is 45044213. The next prime is 45044239. The reversal of 45044228 is 82244054.

It can be written as a sum of positive squares in only one way, i.e., 35259844 + 9784384 = 5938^2 + 3128^2 .

It is a super-2 number, since 2×45044228² = 4057964952231968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45044228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5630525 + ... + 5630532.

It is an arithmetic number, because the mean of its divisors is an integer number (13137901).

Almost surely, 2^45044228 is an apocalyptic number.

It is an amenable number.

45044228 is a deficient number, since it is larger than the sum of its proper divisors (33783178).

45044228 is a wasteful number, since it uses less digits than its factorization.

45044228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11261061 (or 11261059 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 45044228 is about 6711.4996833793. The cubic root of 45044228 is about 355.8058213873.

The spelling of 45044228 in words is "forty-five million, forty-four thousand, two hundred twenty-eight".