159149 has 4 divisors (see below), whose sum is σ = 161820. Its totient is φ = 156480.

The previous prime is 159119. The next prime is 159157. The reversal of 159149 is 941951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 941951 = 349 ⋅2699.

It can be written as a sum of positive squares in 2 ways, for example, as 33124 + 126025 = 182^2 + 355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244 + ... + 1365.

It is an arithmetic number, because the mean of its divisors is an integer number (40455).

2¹⁵⁹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

159149 is a deficient number, since it is larger than the sum of its proper divisors (2671).

159149 is an equidigital number, since it uses as much as digits as its factorization.

159149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670.

The product of its digits is 1620, while the sum is 29.

The square root of 159149 is about 398.9348317708. The cubic root of 159149 is about 54.1919324603.

The spelling of 159149 in words is "one hundred fifty-nine thousand, one hundred forty-nine".