115200245 has 8 divisors (see below), whose sum is σ = 146372184. Its totient is φ = 86738944.

The previous prime is 115200227. The next prime is 115200251. The reversal of 115200245 is 542002511.

It can be written as a sum of positive squares in 4 ways, for example, as 38427601 + 76772644 = 6199^2 + 8762^2 .

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 115200245 - 2²⁰ = 114151669 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 677564 + ... + 677733.

It is an arithmetic number, because the mean of its divisors is an integer number (18296523).

Almost surely, 2^115200245 is an apocalyptic number.

It is an amenable number.

115200245 is a deficient number, since it is larger than the sum of its proper divisors (31171939).

115200245 is a wasteful number, since it uses less digits than its factorization.

115200245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355319.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 115200245 is about 10733.1377052566. The cubic root of 115200245 is about 486.5765045853.

Adding to 115200245 its reverse (542002511), we get a palindrome (657202756).

The spelling of 115200245 in words is "one hundred fifteen million, two hundred thousand, two hundred forty-five".