159997141 has 2 divisors, whose sum is σ = 159997142. Its totient is φ = 159997140.

The previous prime is 159997133. The next prime is 159997237. The reversal of 159997141 is 141799951.

159997141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98922916 + 61074225 = 9946^2 + 7815^2 .

It is a cyclic number.

It is not a de Polignac number, because 159997141 - 2³ = 159997133 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 159997091 and 159997100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159997111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79998570 + 79998571.

It is an arithmetic number, because the mean of its divisors is an integer number (79998571).

Almost surely, 2^159997141 is an apocalyptic number.

It is an amenable number.

159997141 is a deficient number, since it is larger than the sum of its proper divisors (1).

159997141 is an equidigital number, since it uses as much as digits as its factorization.

159997141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 46.

The square root of 159997141 is about 12648.9976282708. The cubic root of 159997141 is about 542.8802897497.

It can be divided in two parts, 15 and 9997141, that added together give a triangular number (9997156 = T₄₄₇₁).

The spelling of 159997141 in words is "one hundred fifty-nine million, nine hundred ninety-seven thousand, one hundred forty-one".