115457100 has 144 divisors (see below), whose sum is σ = 371226240. Its totient is φ = 27468800.

The previous prime is 115457093. The next prime is 115457137. The reversal of 115457100 is 1754511.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194404 + ... + 194996.

It is an arithmetic number, because the mean of its divisors is an integer number (2577960).

Almost surely, 2^115457100 is an apocalyptic number.

115457100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115457100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185613120).

115457100 is an abundant number, since it is smaller than the sum of its proper divisors (255769140).

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

115457100 is a wasteful number, since it uses less digits than its factorization.

115457100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 115457100 is about 10745.0965561041. The cubic root of 115457100 is about 486.9378661909.

The spelling of 115457100 in words is "one hundred fifteen million, four hundred fifty-seven thousand, one hundred".