159537 has 16 divisors (see below), whose sum is σ = 248832. Its totient is φ = 89040.

The previous prime is 159521. The next prime is 159539. The reversal of 159537 is 735951.

It is a happy number.

It is not a de Polignac number, because 159537 - 2⁴ = 159521 is a prime.

It is a nialpdrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 159537.

It is not an unprimeable number, because it can be changed into a prime (159539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438 + ... + 1544.

It is an arithmetic number, because the mean of its divisors is an integer number (15552).

2¹⁵⁹⁵³⁷ is an apocalyptic number.

It is an amenable number.

159537 is a deficient number, since it is larger than the sum of its proper divisors (89295).

159537 is a wasteful number, since it uses less digits than its factorization.

159537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188.

The product of its digits is 4725, while the sum is 30.

The square root of 159537 is about 399.4208307037. The cubic root of 159537 is about 54.2359360997.

It can be divided in two parts, 159 and 537, that added together give a palindrome (696).

The spelling of 159537 in words is "one hundred fifty-nine thousand, five hundred thirty-seven".