159849 has 6 divisors (see below), whose sum is σ = 230906. Its totient is φ = 106560.

The previous prime is 159839. The next prime is 159853. The reversal of 159849 is 948951.

It can be written as a sum of positive squares in only one way, i.e., 127449 + 32400 = 357^2 + 180^2 .

It is not a de Polignac number, because 159849 - 2⁴ = 159833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (159839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8872 + ... + 8889.

2¹⁵⁹⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

159849 is a deficient number, since it is larger than the sum of its proper divisors (71057).

159849 is a wasteful number, since it uses less digits than its factorization.

159849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17767 (or 17764 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 159849 is about 399.8112054458. The cubic root of 159849 is about 54.2712687457.

The spelling of 159849 in words is "one hundred fifty-nine thousand, eight hundred forty-nine".