45503725 has 12 divisors (see below), whose sum is σ = 56508660. Its totient is φ = 36348800.

The previous prime is 45503723. The next prime is 45503737. The reversal of 45503725 is 52730554.

It can be written as a sum of positive squares in 6 ways, for example, as 1121481 + 44382244 = 1059^2 + 6662^2 .

It is not a de Polignac number, because 45503725 - 2¹ = 45503723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45503723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29985 + ... + 31465.

It is an arithmetic number, because the mean of its divisors is an integer number (4709055).

Almost surely, 2^45503725 is an apocalyptic number.

It is an amenable number.

45503725 is a deficient number, since it is larger than the sum of its proper divisors (11004935).

45503725 is a wasteful number, since it uses less digits than its factorization.

45503725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720 (or 2715 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 45503725 is about 6745.6448913354. The cubic root of 45503725 is about 357.0115911884.

The spelling of 45503725 in words is "forty-five million, five hundred three thousand, seven hundred twenty-five".