115145125 has 16 divisors (see below), whose sum is σ = 146066544. Its totient is φ = 90600000.

The previous prime is 115145113. The next prime is 115145137. The reversal of 115145125 is 521541511.

It is an interprime number because it is at equal distance from previous prime (115145113) and next prime (115145137).

It can be written as a sum of positive squares in 8 ways, for example, as 93373569 + 21771556 = 9663^2 + 4666^2 .

It is not a de Polignac number, because 115145125 - 2¹⁹ = 114620837 is a prime.

It is a super-2 number, since 2×115145125² = 26516799622531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 115145125.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 75 + ... + 15175.

It is an arithmetic number, because the mean of its divisors is an integer number (9129159).

Almost surely, 2^115145125 is an apocalyptic number.

It is an amenable number.

115145125 is a deficient number, since it is larger than the sum of its proper divisors (30921419).

115145125 is an equidigital number, since it uses as much as digits as its factorization.

115145125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15177 (or 15167 counting only the distinct ones).

The product of its digits is 1000, while the sum is 25.

The square root of 115145125 is about 10730.5696493709. The cubic root of 115145125 is about 486.4988879228.

Adding to 115145125 its reverse (521541511), we get a palindrome (636686636).

The spelling of 115145125 in words is "one hundred fifteen million, one hundred forty-five thousand, one hundred twenty-five".