159746 has 4 divisors (see below), whose sum is σ = 239622. Its totient is φ = 79872.

The previous prime is 159739. The next prime is 159763. The reversal of 159746 is 647951.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 156025 + 3721 = 395^2 + 61^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39935 + ... + 39938.

2¹⁵⁹⁷⁴⁶ is an apocalyptic number.

159746 is a deficient number, since it is larger than the sum of its proper divisors (79876).

159746 is an equidigital number, since it uses as much as digits as its factorization.

159746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79875.

The product of its digits is 7560, while the sum is 32.

The square root of 159746 is about 399.6823738921. The cubic root of 159746 is about 54.2596095304.

The spelling of 159746 in words is "one hundred fifty-nine thousand, seven hundred forty-six".