159542789 has 16 divisors (see below), whose sum is σ = 191123712. Its totient is φ = 130213248.

The previous prime is 159542783. The next prime is 159542809. The reversal of 159542789 is 987245951.

It is a cyclic number.

It is not a de Polignac number, because 159542789 - 2⁸ = 159542533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159542783) 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 15 ways as a sum of consecutive naturals, for example, 35387 + ... + 39639.

It is an arithmetic number, because the mean of its divisors is an integer number (11945232).

Almost surely, 2^159542789 is an apocalyptic number.

It is an amenable number.

159542789 is a deficient number, since it is larger than the sum of its proper divisors (31580923).

159542789 is a wasteful number, since it uses less digits than its factorization.

159542789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516.

The product of its digits is 907200, while the sum is 50.

The square root of 159542789 is about 12631.0248594483. The cubic root of 159542789 is about 542.3659209803.

The spelling of 159542789 in words is "one hundred fifty-nine million, five hundred forty-two thousand, seven hundred eighty-nine".