159412493 has 4 divisors (see below), whose sum is σ = 159461148. Its totient is φ = 159363840.

The previous prime is 159412483. The next prime is 159412529. The reversal of 159412493 is 394214951.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60171049 + 99241444 = 7757^2 + 9962^2 .

It is a cyclic number.

It is not a de Polignac number, because 159412493 - 2²⁴ = 142635277 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 (159412483) 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, 19028 + ... + 26093.

It is an arithmetic number, because the mean of its divisors is an integer number (39865287).

Almost surely, 2^159412493 is an apocalyptic number.

It is an amenable number.

159412493 is a deficient number, since it is larger than the sum of its proper divisors (48655).

159412493 is an equidigital number, since it uses as much as digits as its factorization.

159412493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48654.

The product of its digits is 38880, while the sum is 38.

The square root of 159412493 is about 12625.8660297027. The cubic root of 159412493 is about 542.2182336273.

The spelling of 159412493 in words is "one hundred fifty-nine million, four hundred twelve thousand, four hundred ninety-three".