115512450 has 96 divisors (see below), whose sum is σ = 307105344. Its totient is φ = 28631040.

The previous prime is 115512443. The next prime is 115512451. The reversal of 115512450 is 54215511.

It is a super-2 number, since 2×115512450² = 26686252210005000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115512450.

It is not an unprimeable number, because it can be changed into a prime (115512451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 247117 + ... + 247583.

It is an arithmetic number, because the mean of its divisors is an integer number (3199014).

Almost surely, 2^115512450 is an apocalyptic number.

115512450 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 115512450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153552672).

115512450 is an abundant number, since it is smaller than the sum of its proper divisors (191592894).

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

115512450 is a wasteful number, since it uses less digits than its factorization.

115512450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 115512450 is about 10747.6718409151. The cubic root of 115512450 is about 487.0156662428.

Adding to 115512450 its reverse (54215511), we get a palindrome (169727961).

The spelling of 115512450 in words is "one hundred fifteen million, five hundred twelve thousand, four hundred fifty".