115053140 has 24 divisors (see below), whose sum is σ = 244008072. Its totient is φ = 45564800.

The previous prime is 115053139. The next prime is 115053143. The reversal of 115053140 is 41350511.

It can be written as a sum of positive squares in 4 ways, for example, as 16289296 + 98763844 = 4036^2 + 9938^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115053143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26459 + ... + 30498.

It is an arithmetic number, because the mean of its divisors is an integer number (10167003).

Almost surely, 2^115053140 is an apocalyptic number.

115053140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115053140 is an abundant number, since it is smaller than the sum of its proper divisors (128954932).

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

115053140 is a wasteful number, since it uses less digits than its factorization.

115053140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57067 (or 57065 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 115053140 is about 10726.2826738810. The cubic root of 115053140 is about 486.3693050102.

The spelling of 115053140 in words is "one hundred fifteen million, fifty-three thousand, one hundred forty".