45972125 has 8 divisors (see below), whose sum is σ = 57373368. Its totient is φ = 36777600.

The previous prime is 45972107. The next prime is 45972127. The reversal of 45972125 is 52127954.

It can be written as a sum of positive squares in 4 ways, for example, as 98596 + 45873529 = 314^2 + 6773^2 .

It is not a de Polignac number, because 45972125 - 2⁶ = 45972061 is a prime.

It is a super-2 number, since 2×45972125² = 4226872554031250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45972127) 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 7 ways as a sum of consecutive naturals, for example, 183764 + ... + 184013.

It is an arithmetic number, because the mean of its divisors is an integer number (7171671).

Almost surely, 2^45972125 is an apocalyptic number.

It is an amenable number.

45972125 is a deficient number, since it is larger than the sum of its proper divisors (11401243).

45972125 is an equidigital number, since it uses as much as digits as its factorization.

45972125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367792 (or 367782 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 45972125 is about 6780.2746994499. The cubic root of 45972125 is about 358.2323975069.

The spelling of 45972125 in words is "forty-five million, nine hundred seventy-two thousand, one hundred twenty-five".