118143 has 6 divisors (see below), whose sum is σ = 170664. Its totient is φ = 78756.

The previous prime is 118127. The next prime is 118147. The reversal of 118143 is 341811.

It is not a de Polignac number, because 118143 - 2⁴ = 118127 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 118143.

It is not an unprimeable number, because it can be changed into a prime (118147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6555 + ... + 6572.

It is an arithmetic number, because the mean of its divisors is an integer number (28444).

2¹¹⁸¹⁴³ is an apocalyptic number.

118143 is a deficient number, since it is larger than the sum of its proper divisors (52521).

118143 is a wasteful number, since it uses less digits than its factorization.

118143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13133 (or 13130 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 118143 is about 343.7193622710. The cubic root of 118143 is about 49.0684867672.

Adding to 118143 its reverse (341811), we get a palindrome (459954).

The spelling of 118143 in words is "one hundred eighteen thousand, one hundred forty-three".