159765 has 8 divisors (see below), whose sum is σ = 255648. Its totient is φ = 85200.

The previous prime is 159763. The next prime is 159769. The reversal of 159765 is 567951.

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

It is not a de Polignac number, because 159765 - 2¹ = 159763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5311 + ... + 5340.

It is an arithmetic number, because the mean of its divisors is an integer number (31956).

2¹⁵⁹⁷⁶⁵ is an apocalyptic number.

159765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159765 is a deficient number, since it is larger than the sum of its proper divisors (95883).

159765 is a wasteful number, since it uses less digits than its factorization.

159765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10659.

The product of its digits is 9450, while the sum is 33.

The square root of 159765 is about 399.7061420594. The cubic root of 159765 is about 54.2617606363.

The spelling of 159765 in words is "one hundred fifty-nine thousand, seven hundred sixty-five".