159286643 has 8 divisors (see below), whose sum is σ = 160628160. Its totient is φ = 157951080.

The previous prime is 159286637. The next prime is 159286669. The reversal of 159286643 is 346682951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159286643 - 2⁴ = 159286627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159286594 and 159286603.

It is not an unprimeable number, because it can be changed into a prime (159283643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63548 + ... + 66006.

It is an arithmetic number, because the mean of its divisors is an integer number (20078520).

Almost surely, 2^159286643 is an apocalyptic number.

159286643 is a deficient number, since it is larger than the sum of its proper divisors (1341517).

159286643 is a wasteful number, since it uses less digits than its factorization.

159286643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977.

The product of its digits is 311040, while the sum is 44.

The square root of 159286643 is about 12620.8812291377. The cubic root of 159286643 is about 542.0755092849.

The spelling of 159286643 in words is "one hundred fifty-nine million, two hundred eighty-six thousand, six hundred forty-three".