115203345 has 16 divisors (see below), whose sum is σ = 188248320. Its totient is φ = 60134144.

The previous prime is 115203331. The next prime is 115203349. The reversal of 115203345 is 543302511.

It is a cyclic number.

It is not a de Polignac number, because 115203345 - 2⁴ = 115203329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115203349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81000 + ... + 82409.

It is an arithmetic number, because the mean of its divisors is an integer number (11765520).

Almost surely, 2^115203345 is an apocalyptic number.

115203345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115203345 is a deficient number, since it is larger than the sum of its proper divisors (73044975).

115203345 is a wasteful number, since it uses less digits than its factorization.

115203345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163464.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 115203345 is about 10733.2821168550. The cubic root of 115203345 is about 486.5808690831.

Adding to 115203345 its reverse (543302511), we get a palindrome (658505856).

The spelling of 115203345 in words is "one hundred fifteen million, two hundred three thousand, three hundred forty-five".