115415 has 8 divisors (see below), whose sum is σ = 142128. Its totient is φ = 89920.

The previous prime is 115399. The next prime is 115421. The reversal of 115415 is 514511.

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

It is not a de Polignac number, because 115415 - 2⁴ = 115399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115393 and 115402.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 115415.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77 + ... + 486.

It is an arithmetic number, because the mean of its divisors is an integer number (17766).

2¹¹⁵⁴¹⁵ is an apocalyptic number.

115415 is a deficient number, since it is larger than the sum of its proper divisors (26713).

115415 is an equidigital number, since it uses as much as digits as its factorization.

115415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609.

The product of its digits is 100, while the sum is 17.

The square root of 115415 is about 339.7278322422. The cubic root of 115415 is about 48.6878673711.

Adding to 115415 its reverse (514511), we get a palindrome (629926).

The spelling of 115415 in words is "one hundred fifteen thousand, four hundred fifteen".