115842 has 16 divisors (see below), whose sum is σ = 237600. Its totient is φ = 37632.

The previous prime is 115837. The next prime is 115849. The reversal of 115842 is 248511.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115849) by changing a digit.

115842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34 + ... + 482.

It is an arithmetic number, because the mean of its divisors is an integer number (14850).

2¹¹⁵⁸⁴² is an apocalyptic number.

115842 is an abundant number, since it is smaller than the sum of its proper divisors (121758).

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

115842 is a wasteful number, since it uses less digits than its factorization.

115842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497.

The product of its digits is 320, while the sum is 21.

The square root of 115842 is about 340.3556962943. The cubic root of 115842 is about 48.7478368534.

The spelling of 115842 in words is "one hundred fifteen thousand, eight hundred forty-two".