159538142 has 16 divisors (see below), whose sum is σ = 244963680. Its totient is φ = 77912496.

The previous prime is 159538133. The next prime is 159538151. The reversal of 159538142 is 241835951.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (159538133) and next prime (159538151).

It is a junction number, because it is equal to n+sod(n) for n = 159538096 and 159538105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548863 + ... + 1548965.

It is an arithmetic number, because the mean of its divisors is an integer number (15310230).

Almost surely, 2^159538142 is an apocalyptic number.

159538142 is a deficient number, since it is larger than the sum of its proper divisors (85425538).

159538142 is an frugal number, since it uses more digits than its factorization.

159538142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 178 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 159538142 is about 12630.8409062897. The cubic root of 159538142 is about 542.3606551017.

The spelling of 159538142 in words is "one hundred fifty-nine million, five hundred thirty-eight thousand, one hundred forty-two".