117144143 has 4 divisors (see below), whose sum is σ = 118304088. Its totient is φ = 115984200.

The previous prime is 117144121. The next prime is 117144193. The reversal of 117144143 is 341441711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117144143 - 2²² = 112949839 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 (117144193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579821 + ... + 580022.

It is an arithmetic number, because the mean of its divisors is an integer number (29576022).

Almost surely, 2^117144143 is an apocalyptic number.

117144143 is a deficient number, since it is larger than the sum of its proper divisors (1159945).

117144143 is a wasteful number, since it uses less digits than its factorization.

117144143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159944.

The product of its digits is 1344, while the sum is 26.

The square root of 117144143 is about 10823.3147879936. The cubic root of 117144143 is about 489.2980967981.

Adding to 117144143 its reverse (341441711), we get a palindrome (458585854).

The spelling of 117144143 in words is "one hundred seventeen million, one hundred forty-four thousand, one hundred forty-three".