115212245 has 8 divisors (see below), whose sum is σ = 139171200. Its totient is φ = 91558800.

The previous prime is 115212233. The next prime is 115212269. The reversal of 115212245 is 542212511.

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

It is not a de Polignac number, because 115212245 - 2²⁶ = 48103381 is a prime.

It is a super-2 number, since 2×115212245² = 26547722795880050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115212245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75545 + ... + 77054.

It is an arithmetic number, because the mean of its divisors is an integer number (17396400).

Almost surely, 2^115212245 is an apocalyptic number.

It is an amenable number.

115212245 is a deficient number, since it is larger than the sum of its proper divisors (23958955).

115212245 is a wasteful number, since it uses less digits than its factorization.

115212245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152755.

The product of its digits is 800, while the sum is 23.

The square root of 115212245 is about 10733.6967070996. The cubic root of 115212245 is about 486.5933989803.

Adding to 115212245 its reverse (542212511), we get a palindrome (657424756).

The spelling of 115212245 in words is "one hundred fifteen million, two hundred twelve thousand, two hundred forty-five".