159741 has 6 divisors (see below), whose sum is σ = 230750. Its totient is φ = 106488.

The previous prime is 159739. The next prime is 159763. The reversal of 159741 is 147951.

159741 = T₉₅ + T₉₆ + ... + T₁₂₁.

It can be written as a sum of positive squares in only one way, i.e., 99225 + 60516 = 315^2 + 246^2 .

It is not a de Polignac number, because 159741 - 2¹ = 159739 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159701) 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, 8866 + ... + 8883.

2¹⁵⁹⁷⁴¹ is an apocalyptic number.

It is an amenable number.

159741 is a deficient number, since it is larger than the sum of its proper divisors (71009).

159741 is a wasteful number, since it uses less digits than its factorization.

159741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17755 (or 17752 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 159741 is about 399.6761188763. The cubic root of 159741 is about 54.2590434215.

It can be divided in two parts, 159 and 741, that added together give a square (900 = 30²).

The spelling of 159741 in words is "one hundred fifty-nine thousand, seven hundred forty-one".