45544272 has 20 divisors (see below), whose sum is σ = 117656160. Its totient is φ = 15181408.

The previous prime is 45544193. The next prime is 45544307. The reversal of 45544272 is 27244554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474372 + ... + 474467.

It is an arithmetic number, because the mean of its divisors is an integer number (5882808).

Almost surely, 2^45544272 is an apocalyptic number.

It is an amenable number.

45544272 is an abundant number, since it is smaller than the sum of its proper divisors (72111888).

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

45544272 is a wasteful number, since it uses less digits than its factorization.

45544272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948850 (or 948844 counting only the distinct ones).

The product of its digits is 44800, while the sum is 33.

The square root of 45544272 is about 6748.6496427063. The cubic root of 45544272 is about 357.1176004692.

The spelling of 45544272 in words is "forty-five million, five hundred forty-four thousand, two hundred seventy-two".