159492499 has 8 divisors (see below), whose sum is σ = 160820352. Its totient is φ = 158170560.

The previous prime is 159492497. The next prime is 159492503. The reversal of 159492499 is 994294951.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159492499 - 2¹ = 159492497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159492493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64119 + ... + 66559.

It is an arithmetic number, because the mean of its divisors is an integer number (20102544).

Almost surely, 2^159492499 is an apocalyptic number.

159492499 is a deficient number, since it is larger than the sum of its proper divisors (1327853).

159492499 is a wasteful number, since it uses less digits than its factorization.

159492499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957.

The product of its digits is 1049760, while the sum is 52.

The square root of 159492499 is about 12629.0339693897. The cubic root of 159492499 is about 542.3089280179.

The spelling of 159492499 in words is "one hundred fifty-nine million, four hundred ninety-two thousand, four hundred ninety-nine".