115230140 has 12 divisors (see below), whose sum is σ = 241983336. Its totient is φ = 46092048.

The previous prime is 115230133. The next prime is 115230149. The reversal of 115230140 is 41032511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115230149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2880734 + ... + 2880773.

It is an arithmetic number, because the mean of its divisors is an integer number (20165278).

Almost surely, 2^115230140 is an apocalyptic number.

115230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115230140 is an abundant number, since it is smaller than the sum of its proper divisors (126753196).

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

115230140 is a wasteful number, since it uses less digits than its factorization.

115230140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5761516 (or 5761514 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 115230140 is about 10734.5302645249. The cubic root of 115230140 is about 486.6185905679.

Adding to 115230140 its reverse (41032511), we get a palindrome (156262651).

The spelling of 115230140 in words is "one hundred fifteen million, two hundred thirty thousand, one hundred forty".