45133228 has 12 divisors (see below), whose sum is σ = 90266512. Its totient is φ = 19342800.

The previous prime is 45133223. The next prime is 45133237. The reversal of 45133228 is 82233154.

45133228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

45133228 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1611901 = 45133228 / (4 + 5 + 1 + 3 + 3 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 45133196 and 45133205.

It is not an unprimeable number, because it can be changed into a prime (45133223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805923 + ... + 805978.

Almost surely, 2^45133228 is an apocalyptic number.

It is an amenable number.

45133228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45133228 is a wasteful number, since it uses less digits than its factorization.

45133228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611912 (or 1611910 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 45133228 is about 6718.1268222623. The cubic root of 45133228 is about 356.0400051832.

The spelling of 45133228 in words is "forty-five million, one hundred thirty-three thousand, two hundred twenty-eight".