115473815 has 8 divisors (see below), whose sum is σ = 139914528. Its totient is φ = 91481760.

The previous prime is 115473779. The next prime is 115473817. The reversal of 115473815 is 518374511.

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

It is not a de Polignac number, because 115473815 - 2⁶ = 115473751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115473817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111596 + ... + 112625.

It is an arithmetic number, because the mean of its divisors is an integer number (17489316).

Almost surely, 2^115473815 is an apocalyptic number.

115473815 is a deficient number, since it is larger than the sum of its proper divisors (24440713).

115473815 is a wasteful number, since it uses less digits than its factorization.

115473815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224329.

The product of its digits is 16800, while the sum is 35.

The square root of 115473815 is about 10745.8743245955. The cubic root of 115473815 is about 486.9613634428.

The spelling of 115473815 in words is "one hundred fifteen million, four hundred seventy-three thousand, eight hundred fifteen".