45112275 has 96 divisors (see below), whose sum is σ = 91869120. Its totient is φ = 21565440.

The previous prime is 45112261. The next prime is 45112297. The reversal of 45112275 is 57221154.

It is not a de Polignac number, because 45112275 - 2⁷ = 45112147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 465027 + ... + 465123.

It is an arithmetic number, because the mean of its divisors is an integer number (956970).

Almost surely, 2^45112275 is an apocalyptic number.

45112275 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45112275 is an abundant number, since it is smaller than the sum of its proper divisors (46756845).

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

45112275 is a wasteful number, since it uses less digits than its factorization.

45112275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 171 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 45112275 is about 6716.5672035646. The cubic root of 45112275 is about 355.9848997298.

It can be divided in two parts, 4511 and 2275, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 45112275 in words is "forty-five million, one hundred twelve thousand, two hundred seventy-five".