159493 has 4 divisors (see below), whose sum is σ = 160300. Its totient is φ = 158688.

The previous prime is 159491. The next prime is 159499. The reversal of 159493 is 394951.

159493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 394951 = 29 ⋅13619.

It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 31329 = 358^2 + 177^2 .

It is a cyclic number.

It is not a de Polignac number, because 159493 - 2¹ = 159491 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159491) 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, 121 + ... + 577.

It is an arithmetic number, because the mean of its divisors is an integer number (40075).

2¹⁵⁹⁴⁹³ is an apocalyptic number.

It is an amenable number.

159493 is a deficient number, since it is larger than the sum of its proper divisors (807).

159493 is an equidigital number, since it uses as much as digits as its factorization.

159493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its digits is 4860, while the sum is 31.

The square root of 159493 is about 399.3657471542. The cubic root of 159493 is about 54.2309495853.

It can be divided in two parts, 159 and 493, that multiplied together give a palindrome (78387).

The spelling of 159493 in words is "one hundred fifty-nine thousand, four hundred ninety-three".