115143861 has 8 divisors (see below), whose sum is σ = 175457344. Its totient is φ = 65796480.

The previous prime is 115143859. The next prime is 115143871. The reversal of 115143861 is 168341511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115143861 - 2¹ = 115143859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115143841) 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 7 ways as a sum of consecutive naturals, for example, 2741500 + ... + 2741541.

It is an arithmetic number, because the mean of its divisors is an integer number (21932168).

Almost surely, 2^115143861 is an apocalyptic number.

It is an amenable number.

115143861 is a deficient number, since it is larger than the sum of its proper divisors (60313483).

115143861 is an equidigital number, since it uses as much as digits as its factorization.

115143861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483051.

The product of its digits is 2880, while the sum is 30.

The square root of 115143861 is about 10730.5107520565. The cubic root of 115143861 is about 486.4971077437.

The spelling of 115143861 in words is "one hundred fifteen million, one hundred forty-three thousand, eight hundred sixty-one".