115203245 has 8 divisors (see below), whose sum is σ = 138502680. Its totient is φ = 91990080.

The previous prime is 115203241. The next prime is 115203269. The reversal of 115203245 is 542302511.

It can be written as a sum of positive squares in 4 ways, for example, as 413449 + 114789796 = 643^2 + 10714^2 .

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

It is not a de Polignac number, because 115203245 - 2² = 115203241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115203245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115203241) 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, 18590 + ... + 23999.

It is an arithmetic number, because the mean of its divisors is an integer number (17312835).

Almost surely, 2^115203245 is an apocalyptic number.

It is an amenable number.

115203245 is a deficient number, since it is larger than the sum of its proper divisors (23299435).

115203245 is an equidigital number, since it uses as much as digits as its factorization.

115203245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43135.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 115203245 is about 10733.2774584467. The cubic root of 115203245 is about 486.5807282941.

Adding to 115203245 its reverse (542302511), we get a palindrome (657505756).

The spelling of 115203245 in words is "one hundred fifteen million, two hundred three thousand, two hundred forty-five".