45111125 has 16 divisors (see below), whose sum is σ = 56527536. Its totient is φ = 35942400.

The previous prime is 45111089. The next prime is 45111127. The reversal of 45111125 is 52111154.

45111125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 23367556 + 21743569 = 4834^2 + 4663^2 .

It is not a de Polignac number, because 45111125 - 2⁶ = 45111061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45111097 and 45111106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45111127) 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 15 ways as a sum of consecutive naturals, for example, 38549 + ... + 39701.

It is an arithmetic number, because the mean of its divisors is an integer number (3532971).

Almost surely, 2^45111125 is an apocalyptic number.

It is an amenable number.

45111125 is a deficient number, since it is larger than the sum of its proper divisors (11416411).

45111125 is a wasteful number, since it uses less digits than its factorization.

45111125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481 (or 1471 counting only the distinct ones).

The product of its digits is 200, while the sum is 20.

The square root of 45111125 is about 6716.4815938109. The cubic root of 45111125 is about 355.9818747873.

Adding to 45111125 its reverse (52111154), we get a palindrome (97222279).

The spelling of 45111125 in words is "forty-five million, one hundred eleven thousand, one hundred twenty-five".