159547 has 4 divisors (see below), whose sum is σ = 161200. Its totient is φ = 157896.

The previous prime is 159541. The next prime is 159553. The reversal of 159547 is 745951.

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

It is an interprime number because it is at equal distance from previous prime (159541) and next prime (159553).

It is a cyclic number.

It is not a de Polignac number, because 159547 - 2³ = 159539 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (159541) 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, 672 + ... + 877.

It is an arithmetic number, because the mean of its divisors is an integer number (40300).

2¹⁵⁹⁵⁴⁷ is an apocalyptic number.

159547 is a deficient number, since it is larger than the sum of its proper divisors (1653).

159547 is a wasteful number, since it uses less digits than its factorization.

159547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652.

The product of its digits is 6300, while the sum is 31.

The square root of 159547 is about 399.4333486328. The cubic root of 159547 is about 54.2370692705.

The spelling of 159547 in words is "one hundred fifty-nine thousand, five hundred forty-seven".