159642741 has 8 divisors (see below), whose sum is σ = 212924320. Its totient is φ = 106394832.

The previous prime is 159642739. The next prime is 159642773. The reversal of 159642741 is 147246951.

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

It is not a de Polignac number, because 159642741 - 2¹ = 159642739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159642741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159642341) 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, 6351 + ... + 18963.

It is an arithmetic number, because the mean of its divisors is an integer number (26615540).

Almost surely, 2^159642741 is an apocalyptic number.

It is an amenable number.

159642741 is a deficient number, since it is larger than the sum of its proper divisors (53281579).

159642741 is a wasteful number, since it uses less digits than its factorization.

159642741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16835.

The product of its digits is 60480, while the sum is 39.

The square root of 159642741 is about 12634.9808468395. The cubic root of 159642741 is about 542.4791596544.

The spelling of 159642741 in words is "one hundred fifty-nine million, six hundred forty-two thousand, seven hundred forty-one".