118288143 has 12 divisors (see below), whose sum is σ = 174496608. Its totient is φ = 77180640.

The previous prime is 118288139. The next prime is 118288147. The reversal of 118288143 is 341882811.

It is an interprime number because it is at equal distance from previous prime (118288139) and next prime (118288147).

It is not a de Polignac number, because 118288143 - 2² = 118288139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118288098 and 118288107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118288147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139398 + ... + 140243.

It is an arithmetic number, because the mean of its divisors is an integer number (14541384).

Almost surely, 2^118288143 is an apocalyptic number.

118288143 is a deficient number, since it is larger than the sum of its proper divisors (56208465).

118288143 is a wasteful number, since it uses less digits than its factorization.

118288143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279694 (or 279691 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 118288143 is about 10876.0352610683. The cubic root of 118288143 is about 490.8857268809.

The spelling of 118288143 in words is "one hundred eighteen million, two hundred eighty-eight thousand, one hundred forty-three".