45912272 has 40 divisors (see below), whose sum is σ = 102969600. Its totient is φ = 19423872.

The previous prime is 45912259. The next prime is 45912281. The reversal of 45912272 is 27221954.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6254 + ... + 11442.

It is an arithmetic number, because the mean of its divisors is an integer number (2574240).

Almost surely, 2^45912272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45912272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51484800).

45912272 is an abundant number, since it is smaller than the sum of its proper divisors (57057328).

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

45912272 is a wasteful number, since it uses less digits than its factorization.

45912272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283 (or 5277 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 45912272 is about 6775.8595026757. The cubic root of 45912272 is about 358.0768641591.

The spelling of 45912272 in words is "forty-five million, nine hundred twelve thousand, two hundred seventy-two".