115252143 has 4 divisors (see below), whose sum is σ = 153669528. Its totient is φ = 76834760.

The previous prime is 115252139. The next prime is 115252147. The reversal of 115252143 is 341252511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (115252139) and next prime (115252147).

It is a cyclic number.

It is not a de Polignac number, because 115252143 - 2² = 115252139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115252147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19208688 + ... + 19208693.

It is an arithmetic number, because the mean of its divisors is an integer number (38417382).

Almost surely, 2^115252143 is an apocalyptic number.

115252143 is a deficient number, since it is larger than the sum of its proper divisors (38417385).

115252143 is an equidigital number, since it uses as much as digits as its factorization.

115252143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38417384.

The product of its digits is 1200, while the sum is 24.

The square root of 115252143 is about 10735.5550857885. Note that the first 3 decimals coincide. The cubic root of 115252143 is about 486.6495615952.

The spelling of 115252143 in words is "one hundred fifteen million, two hundred fifty-two thousand, one hundred forty-three".