115142508 has 144 divisors (see below), whose sum is σ = 344897280. Its totient is φ = 32047488.

The previous prime is 115142501. The next prime is 115142509. The reversal of 115142508 is 805241511.

115142508 is a `hidden beast` number, since 1 + 15 + 142 + 508 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115142501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204235 + ... + 204797.

It is an arithmetic number, because the mean of its divisors is an integer number (2395120).

Almost surely, 2^115142508 is an apocalyptic number.

115142508 is a gapful number since it is divisible by the number (18) 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 115142508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172448640).

115142508 is an abundant number, since it is smaller than the sum of its proper divisors (229754772).

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

115142508 is a wasteful number, since it uses less digits than its factorization.

115142508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 115142508 is about 10730.4477073419. The cubic root of 115142508 is about 486.4952022052.

The spelling of 115142508 in words is "one hundred fifteen million, one hundred forty-two thousand, five hundred eight".