159746493 has 4 divisors (see below), whose sum is σ = 212995328. Its totient is φ = 106497660.

The previous prime is 159746473. The next prime is 159746513. The reversal of 159746493 is 394647951.

159746493 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 Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 394647951 = 3 ⋅131549317.

It is an interprime number because it is at equal distance from previous prime (159746473) and next prime (159746513).

It is not a de Polignac number, because 159746493 - 2⁶ = 159746429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159746423) 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, 26624413 + ... + 26624418.

It is an arithmetic number, because the mean of its divisors is an integer number (53248832).

Almost surely, 2^159746493 is an apocalyptic number.

It is an amenable number.

159746493 is a deficient number, since it is larger than the sum of its proper divisors (53248835).

159746493 is an equidigital number, since it uses as much as digits as its factorization.

159746493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53248834.

The product of its digits is 816480, while the sum is 48.

The square root of 159746493 is about 12639.0859242273. The cubic root of 159746493 is about 542.5966534805.

The spelling of 159746493 in words is "one hundred fifty-nine million, seven hundred forty-six thousand, four hundred ninety-three".