115000172 has 24 divisors (see below), whose sum is σ = 243530784. Its totient is φ = 46386432.

The previous prime is 115000157. The next prime is 115000177. The reversal of 115000172 is 271000511.

115000172 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

115000172 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 115000172.

It is not an unprimeable number, because it can be changed into a prime (115000177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120323 + ... + 121274.

It is an arithmetic number, because the mean of its divisors is an integer number (10147116).

Almost surely, 2^115000172 is an apocalyptic number.

It is an amenable number.

115000172 is an abundant number, since it is smaller than the sum of its proper divisors (128530612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115000172 is a wasteful number, since it uses less digits than its factorization.

115000172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241625 (or 241623 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 115000172 is about 10723.8133143020. The cubic root of 115000172 is about 486.2946555517.

Adding to 115000172 its reverse (271000511), we get a palindrome (386000683).

The spelling of 115000172 in words is "one hundred fifteen million, one hundred seventy-two", and thus it is an aban number.