45255228 has 24 divisors (see below), whose sum is σ = 105708288. Its totient is φ = 15068976.

The previous prime is 45255227. The next prime is 45255233. The reversal of 45255228 is 82255254.

It is a happy number.

It is a super-2 number, since 2×45255228² = 4096071322663968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45255227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16525 + ... + 19067.

It is an arithmetic number, because the mean of its divisors is an integer number (4404512).

Almost surely, 2^45255228 is an apocalyptic number.

It is an amenable number.

45255228 is an abundant number, since it is smaller than the sum of its proper divisors (60453060).

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

45255228 is a wasteful number, since it uses less digits than its factorization.

45255228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033 (or 4031 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 45255228 is about 6727.2006064930. The cubic root of 45255228 is about 356.3605214490.

The spelling of 45255228 in words is "forty-five million, two hundred fifty-five thousand, two hundred twenty-eight".