159137242 has 8 divisors (see below), whose sum is σ = 260406432. Its totient is φ = 72335100.

The previous prime is 159137213. The next prime is 159137249. The reversal of 159137242 is 242731951.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 159137198 and 159137207.

It is not an unprimeable number, because it can be changed into a prime (159137249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3616734 + ... + 3616777.

It is an arithmetic number, because the mean of its divisors is an integer number (32550804).

Almost surely, 2^159137242 is an apocalyptic number.

159137242 is a deficient number, since it is larger than the sum of its proper divisors (101269190).

159137242 is a wasteful number, since it uses less digits than its factorization.

159137242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233524.

The product of its digits is 15120, while the sum is 34.

The square root of 159137242 is about 12614.9610383861. The cubic root of 159137242 is about 541.9059785258.

The spelling of 159137242 in words is "one hundred fifty-nine million, one hundred thirty-seven thousand, two hundred forty-two".