45270228 has 48 divisors (see below), whose sum is σ = 109992960. Its totient is φ = 14479584.

The previous prime is 45270227. The next prime is 45270229. The reversal of 45270228 is 82207254.

It is an interprime number because it is at equal distance from previous prime (45270227) and next prime (45270229).

It is a junction number, because it is equal to n+sod(n) for n = 45270195 and 45270204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45270227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29701 + ... + 31187.

It is an arithmetic number, because the mean of its divisors is an integer number (2291520).

Almost surely, 2^45270228 is an apocalyptic number.

It is an amenable number.

45270228 is an abundant number, since it is smaller than the sum of its proper divisors (64722732).

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

45270228 is a wasteful number, since it uses less digits than its factorization.

45270228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 45270228 is about 6728.3153909430. The cubic root of 45270228 is about 356.3998894040.

The spelling of 45270228 in words is "forty-five million, two hundred seventy thousand, two hundred twenty-eight".