115418 has 4 divisors (see below), whose sum is σ = 173130. Its totient is φ = 57708.

The previous prime is 115399. The next prime is 115421. The reversal of 115418 is 814511.

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

It can be written as a sum of positive squares in only one way, i.e., 113569 + 1849 = 337^2 + 43^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115418.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28853 + ... + 28856.

2¹¹⁵⁴¹⁸ is an apocalyptic number.

115418 is a deficient number, since it is larger than the sum of its proper divisors (57712).

115418 is an equidigital number, since it uses as much as digits as its factorization.

115418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57711.

The product of its digits is 160, while the sum is 20.

The square root of 115418 is about 339.7322475127. The cubic root of 115418 is about 48.6882892178.

Adding to 115418 its reverse (814511), we get a palindrome (929929).

The spelling of 115418 in words is "one hundred fifteen thousand, four hundred eighteen".