159289 has 4 divisors (see below), whose sum is σ = 171556. Its totient is φ = 147024.

The previous prime is 159287. The next prime is 159293. The reversal of 159289 is 982951.

159289 = T₁₅₀ + T₁₅₁ + ... + T₁₆₂.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 982951 = 23 ⋅42737.

It can be written as a sum of positive squares in 2 ways, for example, as 48400 + 110889 = 220^2 + 333^2 .

It is a cyclic number.

It is not a de Polignac number, because 159289 - 2¹ = 159287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6114 + ... + 6139.

It is an arithmetic number, because the mean of its divisors is an integer number (42889).

2¹⁵⁹²⁸⁹ is an apocalyptic number.

It is an amenable number.

159289 is a deficient number, since it is larger than the sum of its proper divisors (12267).

159289 is a wasteful number, since it uses less digits than its factorization.

159289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12266.

The product of its digits is 6480, while the sum is 34.

The square root of 159289 is about 399.1102604544. The cubic root of 159289 is about 54.2078183009.

It can be divided in two parts, 1592 and 89, that added together give a square (1681 = 41²).

The spelling of 159289 in words is "one hundred fifty-nine thousand, two hundred eighty-nine".