45188825 has 24 divisors (see below), whose sum is σ = 61993056. Its totient is φ = 32400000.

The previous prime is 45188797. The next prime is 45188831. The reversal of 45188825 is 52888154.

It is a happy number.

45188825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45188825 - 2⁸ = 45188569 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 18950 + ... + 21200.

It is an arithmetic number, because the mean of its divisors is an integer number (2583044).

Almost surely, 2^45188825 is an apocalyptic number.

It is an amenable number.

45188825 is a deficient number, since it is larger than the sum of its proper divisors (16804231).

45188825 is a wasteful number, since it uses less digits than its factorization.

45188825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345 (or 2340 counting only the distinct ones).

The product of its digits is 102400, while the sum is 41.

The square root of 45188825 is about 6722.2633837124. The cubic root of 45188825 is about 356.1861401899.

The spelling of 45188825 in words is "forty-five million, one hundred eighty-eight thousand, eight hundred twenty-five".