115252540 has 48 divisors (see below), whose sum is σ = 271994688. Its totient is φ = 40702464.

The previous prime is 115252523. The next prime is 115252549. The reversal of 115252540 is 45252511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115252549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3657 + ... + 15616.

It is an arithmetic number, because the mean of its divisors is an integer number (5666556).

Almost surely, 2^115252540 is an apocalyptic number.

115252540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115252540 is an abundant number, since it is smaller than the sum of its proper divisors (156742148).

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

115252540 is a wasteful number, since it uses less digits than its factorization.

115252540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19318 (or 19316 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 115252540 is about 10735.5735757341. The cubic root of 115252540 is about 486.6501203690.

The spelling of 115252540 in words is "one hundred fifteen million, two hundred fifty-two thousand, five hundred forty".