115206143 has 8 divisors (see below), whose sum is σ = 124169136. Its totient is φ = 106257600.

The previous prime is 115206121. The next prime is 115206163. The reversal of 115206143 is 341602511.

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

It is a cyclic number.

It is not a de Polignac number, because 115206143 - 2⁶ = 115206079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115206163) 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, 17603 + ... + 23243.

It is an arithmetic number, because the mean of its divisors is an integer number (15521142).

Almost surely, 2^115206143 is an apocalyptic number.

115206143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115206143 is a deficient number, since it is larger than the sum of its proper divisors (8962993).

115206143 is a wasteful number, since it uses less digits than its factorization.

115206143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 115206143 is about 10733.4124583005. The cubic root of 115206143 is about 486.5848083271.

Adding to 115206143 its reverse (341602511), we get a palindrome (456808654).

The spelling of 115206143 in words is "one hundred fifteen million, two hundred six thousand, one hundred forty-three".