115240345 has 16 divisors (see below), whose sum is σ = 156064320. Its totient is φ = 80920000.

The previous prime is 115240309. The next prime is 115240369. The reversal of 115240345 is 543042511.

It is a happy number.

It is not a de Polignac number, because 115240345 - 2¹¹ = 115238297 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 34531 + ... + 37720.

It is an arithmetic number, because the mean of its divisors is an integer number (9754020).

Almost surely, 2^115240345 is an apocalyptic number.

It is an amenable number.

115240345 is a deficient number, since it is larger than the sum of its proper divisors (40823975).

115240345 is a wasteful number, since it uses less digits than its factorization.

115240345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72296.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 115240345 is about 10735.0055891928. The cubic root of 115240345 is about 486.6329554327.

Adding to 115240345 its reverse (543042511), we get a palindrome (658282856).

The spelling of 115240345 in words is "one hundred fifteen million, two hundred forty thousand, three hundred forty-five".