118950143 has 12 divisors (see below), whose sum is σ = 131953248. Its totient is φ = 107115840.

The previous prime is 118950133. The next prime is 118950163. The reversal of 118950143 is 341059811.

It is a de Polignac number, because none of the positive numbers 2^k-118950143 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 (118950103) 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, 1655 + ... + 15512.

It is an arithmetic number, because the mean of its divisors is an integer number (10996104).

Almost surely, 2^118950143 is an apocalyptic number.

118950143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

118950143 is a deficient number, since it is larger than the sum of its proper divisors (13003105).

118950143 is a wasteful number, since it uses less digits than its factorization.

118950143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17234 (or 17221 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 118950143 is about 10906.4266833826. The cubic root of 118950143 is about 491.7997717314.

The spelling of 118950143 in words is "one hundred eighteen million, nine hundred fifty thousand, one hundred forty-three".