115244250 has 128 divisors (see below), whose sum is σ = 320336640. Its totient is φ = 27360000.

The previous prime is 115244219. The next prime is 115244279. The reversal of 115244250 is 52442511.

It is a self number, because there is not a number n which added to its sum of digits gives 115244250.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 503136 + ... + 503364.

It is an arithmetic number, because the mean of its divisors is an integer number (2502630).

Almost surely, 2^115244250 is an apocalyptic number.

115244250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115244250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160168320).

115244250 is an abundant number, since it is smaller than the sum of its proper divisors (205092390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115244250 is a wasteful number, since it uses less digits than its factorization.

115244250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 115244250 is about 10735.1874692527. The cubic root of 115244250 is about 486.6384520037.

Adding to 115244250 its reverse (52442511), we get a palindrome (167686761).

It can be divided in two parts, 1 and 15244250, that added together give a palindrome (15244251).

The spelling of 115244250 in words is "one hundred fifteen million, two hundred forty-four thousand, two hundred fifty".