45231125 has 16 divisors (see below), whose sum is σ = 56727216. Its totient is φ = 36006400.

The previous prime is 45231113. The next prime is 45231143. The reversal of 45231125 is 52113254.

It can be written as a sum of positive squares in 8 ways, for example, as 31820881 + 13410244 = 5641^2 + 3662^2 .

It is not a de Polignac number, because 45231125 - 2⁸ = 45230869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45231125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28349 + ... + 29901.

It is an arithmetic number, because the mean of its divisors is an integer number (3545451).

Almost surely, 2^45231125 is an apocalyptic number.

It is an amenable number.

45231125 is a deficient number, since it is larger than the sum of its proper divisors (11496091).

45231125 is a wasteful number, since it uses less digits than its factorization.

45231125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1791 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 45231125 is about 6725.4089095013. The cubic root of 45231125 is about 356.2972441705.

Adding to 45231125 its reverse (52113254), we get a palindrome (97344379).

It can be divided in two parts, 45 and 231125, that multiplied together give a square (10400625 = 3225²).

The spelling of 45231125 in words is "forty-five million, two hundred thirty-one thousand, one hundred twenty-five".