115406245 has 4 divisors (see below), whose sum is σ = 138487500. Its totient is φ = 92324992.

The previous prime is 115406243. The next prime is 115406299. The reversal of 115406245 is 542604511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542604511 = 241 ⋅2251471.

It can be written as a sum of positive squares in 2 ways, for example, as 37136836 + 78269409 = 6094^2 + 8847^2 .

It is a cyclic number.

It is not a de Polignac number, because 115406245 - 2¹ = 115406243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115406243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11540620 + ... + 11540629.

It is an arithmetic number, because the mean of its divisors is an integer number (34621875).

Almost surely, 2^115406245 is an apocalyptic number.

It is an amenable number.

115406245 is a deficient number, since it is larger than the sum of its proper divisors (23081255).

115406245 is an equidigital number, since it uses as much as digits as its factorization.

115406245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23081254.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 115406245 is about 10742.7298672172. The cubic root of 115406245 is about 486.8663623975.

The spelling of 115406245 in words is "one hundred fifteen million, four hundred six thousand, two hundred forty-five".