159803143 has 2 divisors, whose sum is σ = 159803144. Its totient is φ = 159803142.

The previous prime is 159803123. The next prime is 159803191. The reversal of 159803143 is 341308951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159803143 - 2⁹ = 159802631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159803099 and 159803108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159803113) 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 as a sum of consecutive naturals, namely, 79901571 + 79901572.

It is an arithmetic number, because the mean of its divisors is an integer number (79901572).

Almost surely, 2^159803143 is an apocalyptic number.

159803143 is a deficient number, since it is larger than the sum of its proper divisors (1).

159803143 is an equidigital number, since it uses as much as digits as its factorization.

159803143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 159803143 is about 12641.3267895423. The cubic root of 159803143 is about 542.6607852329.

The spelling of 159803143 in words is "one hundred fifty-nine million, eight hundred three thousand, one hundred forty-three".