159542 has 8 divisors (see below), whose sum is σ = 241032. Its totient is φ = 79200.

The previous prime is 159541. The next prime is 159553. The reversal of 159542 is 245951.

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

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317 + ... + 647.

It is an arithmetic number, because the mean of its divisors is an integer number (30129).

2¹⁵⁹⁵⁴² is an apocalyptic number.

159542 is a deficient number, since it is larger than the sum of its proper divisors (81490).

159542 is a wasteful number, since it uses less digits than its factorization.

159542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574.

The product of its digits is 1800, while the sum is 26.

The square root of 159542 is about 399.4270897173. The cubic root of 159542 is about 54.2365026910.

The spelling of 159542 in words is "one hundred fifty-nine thousand, five hundred forty-two".