159742319 has 16 divisors (see below), whose sum is σ = 185724576. Its totient is φ = 135782400.

The previous prime is 159742309. The next prime is 159742321. The reversal of 159742319 is 913247951.

It is not a de Polignac number, because 159742319 - 2¹² = 159738223 is a prime.

It is a super-2 number, since 2×159742319² = 51035216958995522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159742309) 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, 26639 + ... + 32079.

It is an arithmetic number, because the mean of its divisors is an integer number (11607786).

Almost surely, 2^159742319 is an apocalyptic number.

159742319 is a deficient number, since it is larger than the sum of its proper divisors (25982257).

159742319 is a wasteful number, since it uses less digits than its factorization.

159742319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5626.

The product of its digits is 68040, while the sum is 41.

The square root of 159742319 is about 12638.9208004481. The cubic root of 159742319 is about 542.5919276216.

It can be divided in two parts, 159742 and 319, that added together give a palindrome (160061).

The spelling of 159742319 in words is "one hundred fifty-nine million, seven hundred forty-two thousand, three hundred nineteen".