45125331 has 4 divisors (see below), whose sum is σ = 60167112. Its totient is φ = 30083552.

The previous prime is 45125303. The next prime is 45125347. The reversal of 45125331 is 13352154.

45125331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45125331 - 2⁷ = 45125203 is a prime.

It is a super-2 number, since 2×45125331² = 4072590995719122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45125231) 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 3 ways as a sum of consecutive naturals, for example, 7520886 + ... + 7520891.

It is an arithmetic number, because the mean of its divisors is an integer number (15041778).

Almost surely, 2^45125331 is an apocalyptic number.

45125331 is a deficient number, since it is larger than the sum of its proper divisors (15041781).

45125331 is a wasteful number, since it uses less digits than its factorization.

45125331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15041780.

The product of its digits is 1800, while the sum is 24.

The square root of 45125331 is about 6717.5390583159. The cubic root of 45125331 is about 356.0192384292.

Adding to 45125331 its reverse (13352154), we get a palindrome (58477485).

The spelling of 45125331 in words is "forty-five million, one hundred twenty-five thousand, three hundred thirty-one".