115165838 has 4 divisors (see below), whose sum is σ = 172748760. Its totient is φ = 57582918.

The previous prime is 115165819. The next prime is 115165849. The reversal of 115165838 is 838561511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28791458 + ... + 28791461.

It is an arithmetic number, because the mean of its divisors is an integer number (43187190).

Almost surely, 2^115165838 is an apocalyptic number.

115165838 is a deficient number, since it is larger than the sum of its proper divisors (57582922).

115165838 is an equidigital number, since it uses as much as digits as its factorization.

115165838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57582921.

The product of its digits is 28800, while the sum is 38.

The square root of 115165838 is about 10731.5347457854. The cubic root of 115165838 is about 486.5280576258.

The spelling of 115165838 in words is "one hundred fifteen million, one hundred sixty-five thousand, eight hundred thirty-eight".