159500493 has 12 divisors (see below), whose sum is σ = 238334460. Its totient is φ = 102666816.

The previous prime is 159500483. The next prime is 159500501. The reversal of 159500493 is 394005951.

It can be written as a sum of positive squares in 2 ways, for example, as 117548964 + 41951529 = 10842^2 + 6477^2 .

It is not a de Polignac number, because 159500493 - 2⁵ = 159500461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159500413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305296 + ... + 305817.

It is an arithmetic number, because the mean of its divisors is an integer number (19861205).

Almost surely, 2^159500493 is an apocalyptic number.

It is an amenable number.

159500493 is a deficient number, since it is larger than the sum of its proper divisors (78833967).

159500493 is a wasteful number, since it uses less digits than its factorization.

159500493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611148 (or 611145 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 159500493 is about 12629.3504583569. The cubic root of 159500493 is about 542.3179883084.

The spelling of 159500493 in words is "one hundred fifty-nine million, five hundred thousand, four hundred ninety-three".