159047 has 4 divisors (see below), whose sum is σ = 181776. Its totient is φ = 136320.

The previous prime is 159023. The next prime is 159059. The reversal of 159047 is 740951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159047 - 2⁸ = 158791 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159017) 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, 11354 + ... + 11367.

It is an arithmetic number, because the mean of its divisors is an integer number (45444).

2¹⁵⁹⁰⁴⁷ is an apocalyptic number.

159047 is a deficient number, since it is larger than the sum of its proper divisors (22729).

159047 is an equidigital number, since it uses as much as digits as its factorization.

159047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22728.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 159047 is about 398.8069708518. The cubic root of 159047 is about 54.1803526233.

Adding to 159047 its reverse (740951), we get a palindrome (899998).

The spelling of 159047 in words is "one hundred fifty-nine thousand, forty-seven".