115151140 has 48 divisors (see below), whose sum is σ = 261777600. Its totient is φ = 42295680.

The previous prime is 115151117. The next prime is 115151159. The reversal of 115151140 is 41151511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53811 + ... + 55909.

It is an arithmetic number, because the mean of its divisors is an integer number (5453700).

Almost surely, 2^115151140 is an apocalyptic number.

115151140 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 115151140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130888800).

115151140 is an abundant number, since it is smaller than the sum of its proper divisors (146626460).

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

115151140 is a wasteful number, since it uses less digits than its factorization.

115151140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332 (or 2330 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 19.

The square root of 115151140 is about 10730.8499197407. The cubic root of 115151140 is about 486.5073590872.

The spelling of 115151140 in words is "one hundred fifteen million, one hundred fifty-one thousand, one hundred forty".