45549272 has 8 divisors (see below), whose sum is σ = 85404900. Its totient is φ = 22774632.

The previous prime is 45549263. The next prime is 45549277. The reversal of 45549272 is 27294554.

45549272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45549277) by changing a digit.

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 as a sum of consecutive naturals, namely, 2846822 + ... + 2846837.

Almost surely, 2^45549272 is an apocalyptic number.

It is an amenable number.

45549272 is a deficient number, since it is larger than the sum of its proper divisors (39855628).

45549272 is a wasteful number, since it uses less digits than its factorization.

45549272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5693665 (or 5693661 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 45549272 is about 6749.0200770186. The cubic root of 45549272 is about 357.1306685059.

The spelling of 45549272 in words is "forty-five million, five hundred forty-nine thousand, two hundred seventy-two".