159142543 has 12 divisors (see below), whose sum is σ = 193175280. Its totient is φ = 130476192.

The previous prime is 159142493. The next prime is 159142547. The reversal of 159142543 is 345241951.

It is not a de Polignac number, because 159142543 - 2⁹ = 159142031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159142499 and 159142508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159142547) 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, 69478 + ... + 71731.

It is an arithmetic number, because the mean of its divisors is an integer number (16097940).

Almost surely, 2^159142543 is an apocalyptic number.

159142543 is a deficient number, since it is larger than the sum of its proper divisors (34032737).

159142543 is a wasteful number, since it uses less digits than its factorization.

159142543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141246 (or 141239 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 159142543 is about 12615.1711443008. The cubic root of 159142543 is about 541.9119955788.

The spelling of 159142543 in words is "one hundred fifty-nine million, one hundred forty-two thousand, five hundred forty-three".