115203164 has 12 divisors (see below), whose sum is σ = 205023000. Its totient is φ = 56625168.

The previous prime is 115203139. The next prime is 115203199. The reversal of 115203164 is 461302511.

It is a super-2 number, since 2×115203164² = 26543537991221792, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 243839 + ... + 244310.

It is an arithmetic number, because the mean of its divisors is an integer number (17085250).

Almost surely, 2^115203164 is an apocalyptic number.

It is an amenable number.

115203164 is a deficient number, since it is larger than the sum of its proper divisors (89819836).

115203164 is a wasteful number, since it uses less digits than its factorization.

115203164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488212 (or 488210 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 115203164 is about 10733.2736851345. The cubic root of 115203164 is about 486.5806142549.

Adding to 115203164 its reverse (461302511), we get a palindrome (576505675).

The spelling of 115203164 in words is "one hundred fifteen million, two hundred three thousand, one hundred sixty-four".