115442 has 8 divisors (see below), whose sum is σ = 174636. Its totient is φ = 57232.

The previous prime is 115429. The next prime is 115459. The reversal of 115442 is 244511.

It can be written as a sum of positive squares in 2 ways, for example, as 78961 + 36481 = 281^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 115442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248 + ... + 540.

2¹¹⁵⁴⁴² is an apocalyptic number.

115442 is a deficient number, since it is larger than the sum of its proper divisors (59194).

115442 is a wasteful number, since it uses less digits than its factorization.

115442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its digits is 160, while the sum is 17.

The square root of 115442 is about 339.7675676106. The cubic root of 115442 is about 48.6916637289.

Adding to 115442 its reverse (244511), we get a palindrome (359953).

The spelling of 115442 in words is "one hundred fifteen thousand, four hundred forty-two".