45169272 has 64 divisors (see below), whose sum is σ = 132861600. Its totient is φ = 14169600.

The previous prime is 45169247. The next prime is 45169297. The reversal of 45169272 is 27296154.

45169272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45169247) and next prime (45169297).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2479 + ... + 9822.

Almost surely, 2^45169272 is an apocalyptic number.

It is an amenable number.

45169272 is an abundant number, since it is smaller than the sum of its proper divisors (87692328).

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

45169272 is a wasteful number, since it uses less digits than its factorization.

45169272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12333 (or 12323 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 45169272 is about 6720.8088798894. The cubic root of 45169272 is about 356.1347594016.

The spelling of 45169272 in words is "forty-five million, one hundred sixty-nine thousand, two hundred seventy-two".