115742163 has 4 divisors (see below), whose sum is σ = 154322888. Its totient is φ = 77161440.

The previous prime is 115742149. The next prime is 115742173. The reversal of 115742163 is 361247511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361247511 = 3 ⋅120415837.

It is not a de Polignac number, because 115742163 - 2⁵ = 115742131 is a prime.

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 115742163.

It is not an unprimeable number, because it can be changed into a prime (115742173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19290358 + ... + 19290363.

It is an arithmetic number, because the mean of its divisors is an integer number (38580722).

Almost surely, 2^115742163 is an apocalyptic number.

115742163 is a deficient number, since it is larger than the sum of its proper divisors (38580725).

115742163 is an equidigital number, since it uses as much as digits as its factorization.

115742163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38580724.

The product of its digits is 5040, while the sum is 30.

The square root of 115742163 is about 10758.3531732324. The cubic root of 115742163 is about 487.3382858754.

Adding to 115742163 its reverse (361247511), we get a palindrome (476989674).

The spelling of 115742163 in words is "one hundred fifteen million, seven hundred forty-two thousand, one hundred sixty-three".