115445215 has 8 divisors (see below), whose sum is σ = 146683440. Its totient is φ = 86923392.

The previous prime is 115445203. The next prime is 115445233. The reversal of 115445215 is 512544511.

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

It is a cyclic number.

It is not a de Polignac number, because 115445215 - 2²¹ = 113348063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679005 + ... + 679174.

It is an arithmetic number, because the mean of its divisors is an integer number (18335430).

Almost surely, 2^115445215 is an apocalyptic number.

115445215 is a deficient number, since it is larger than the sum of its proper divisors (31238225).

115445215 is a wasteful number, since it uses less digits than its factorization.

115445215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358201.

The product of its digits is 4000, while the sum is 28.

The square root of 115445215 is about 10744.5434989114. The cubic root of 115445215 is about 486.9211573726.

Adding to 115445215 its reverse (512544511), we get a palindrome (627989726).

The spelling of 115445215 in words is "one hundred fifteen million, four hundred forty-five thousand, two hundred fifteen".