159585442 has 8 divisors (see below), whose sum is σ = 243435600. Its totient is φ = 78440244.

The previous prime is 159585421. The next prime is 159585449. The reversal of 159585442 is 244585951.

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

It is a super-4 number, since 4×159585442⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (159585449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676092 + ... + 676327.

It is an arithmetic number, because the mean of its divisors is an integer number (30429450).

Almost surely, 2^159585442 is an apocalyptic number.

159585442 is a deficient number, since it is larger than the sum of its proper divisors (83850158).

159585442 is a wasteful number, since it uses less digits than its factorization.

159585442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352480.

The product of its digits is 288000, while the sum is 43.

The square root of 159585442 is about 12632.7131685953. The cubic root of 159585442 is about 542.4142496503.

The spelling of 159585442 in words is "one hundred fifty-nine million, five hundred eighty-five thousand, four hundred forty-two".