159742847 has 16 divisors (see below), whose sum is σ = 179311104. Its totient is φ = 141048000.

The previous prime is 159742811. The next prime is 159742859. The reversal of 159742847 is 748247951.

It is a cyclic number.

It is not a de Polignac number, because 159742847 - 2¹⁰ = 159741823 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 (159742867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121568 + ... + 122874.

It is an arithmetic number, because the mean of its divisors is an integer number (11206944).

Almost surely, 2^159742847 is an apocalyptic number.

159742847 is a deficient number, since it is larger than the sum of its proper divisors (19568257).

159742847 is a wasteful number, since it uses less digits than its factorization.

159742847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630.

The product of its digits is 564480, while the sum is 47.

The square root of 159742847 is about 12638.9416882902. The cubic root of 159742847 is about 542.5925254348.

It can be divided in two parts, 1597 and 42847, that added together give a palindrome (44444).

The spelling of 159742847 in words is "one hundred fifty-nine million, seven hundred forty-two thousand, eight hundred forty-seven".