45250228 has 6 divisors (see below), whose sum is σ = 79187906. Its totient is φ = 22625112.

The previous prime is 45250213. The next prime is 45250241. The reversal of 45250228 is 82205254.

It can be written as a sum of positive squares in only one way, i.e., 38217124 + 7033104 = 6182^2 + 2652^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45250196 and 45250205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656275 + ... + 5656282.

Almost surely, 2^45250228 is an apocalyptic number.

It is an amenable number.

45250228 is a deficient number, since it is larger than the sum of its proper divisors (33937678).

45250228 is a wasteful number, since it uses less digits than its factorization.

45250228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11312561 (or 11312559 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 45250228 is about 6726.8289706220. The cubic root of 45250228 is about 356.3473968642.

Subtracting from 45250228 its product of nonzero digits (6400), we obtain a triangular number (45243828 = T₉₅₁₂).

The spelling of 45250228 in words is "forty-five million, two hundred fifty thousand, two hundred twenty-eight".