115243512 has 32 divisors (see below), whose sum is σ = 303273600. Its totient is φ = 36392544.

The previous prime is 115243511. The next prime is 115243517. The reversal of 115243512 is 215342511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115243511) 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, 125908 + ... + 126819.

It is an arithmetic number, because the mean of its divisors is an integer number (9477300).

Almost surely, 2^115243512 is an apocalyptic number.

115243512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115243512 is an abundant number, since it is smaller than the sum of its proper divisors (188030088).

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

115243512 is a wasteful number, since it uses less digits than its factorization.

115243512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252755 (or 252751 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 115243512 is about 10735.1530962534. The cubic root of 115243512 is about 486.6374132246.

The spelling of 115243512 in words is "one hundred fifteen million, two hundred forty-three thousand, five hundred twelve".