45813725 has 24 divisors (see below), whose sum is σ = 60520680. Its totient is φ = 34402560.

The previous prime is 45813709. The next prime is 45813727. The reversal of 45813725 is 52731854.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 9114361 + 36699364 = 3019^2 + 6058^2 .

It is not a de Polignac number, because 45813725 - 2⁴ = 45813709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45813727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122639 + ... + 123011.

It is an arithmetic number, because the mean of its divisors is an integer number (2521695).

Almost surely, 2^45813725 is an apocalyptic number.

It is an amenable number.

45813725 is a deficient number, since it is larger than the sum of its proper divisors (14706955).

45813725 is an equidigital number, since it uses as much as digits as its factorization.

45813725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 395 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 45813725 is about 6768.5836775503. The cubic root of 45813725 is about 357.8204862414.

The spelling of 45813725 in words is "forty-five million, eight hundred thirteen thousand, seven hundred twenty-five".