45525172 has 48 divisors (see below), whose sum is σ = 100638720. Its totient is φ = 17503200.

The previous prime is 45525163. The next prime is 45525173. The reversal of 45525172 is 27152554.

45525172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45525173) 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 in 15 ways as a sum of consecutive naturals, for example, 23397 + ... + 25267.

It is an arithmetic number, because the mean of its divisors is an integer number (2096640).

Almost surely, 2^45525172 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 45525172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50319360).

45525172 is an abundant number, since it is smaller than the sum of its proper divisors (55113548).

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

45525172 is a wasteful number, since it uses less digits than its factorization.

45525172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972 (or 1970 counting only the distinct ones).

The product of its digits is 14000, while the sum is 31.

The square root of 45525172 is about 6747.2343964027. The cubic root of 45525172 is about 357.0676717617.

The spelling of 45525172 in words is "forty-five million, five hundred twenty-five thousand, one hundred seventy-two".