115142650 has 36 divisors (see below), whose sum is σ = 249136398. Its totient is φ = 39476640.

The previous prime is 115142639. The next prime is 115142693. The reversal of 115142650 is 56241511.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 83704201 + 31438449 = 9149^2 + 5607^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21049 + ... + 25948.

Almost surely, 2^115142650 is an apocalyptic number.

115142650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115142650 is an abundant number, since it is smaller than the sum of its proper divisors (133993748).

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

115142650 is a wasteful number, since it uses less digits than its factorization.

115142650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47023 (or 47011 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 115142650 is about 10730.4543240256. The cubic root of 115142650 is about 486.4954021959.

The spelling of 115142650 in words is "one hundred fifteen million, one hundred forty-two thousand, six hundred fifty".