143589 has 8 divisors (see below), whose sum is σ = 199872. Its totient is φ = 91520.

The previous prime is 143573. The next prime is 143593. The reversal of 143589 is 985341.

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

It is a cyclic number.

It is not a de Polignac number, because 143589 - 2⁴ = 143573 is a prime.

It is a Curzon number.

143589 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143589.

It is not an unprimeable number, because it can be changed into a prime (143509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972 + ... + 1109.

It is an arithmetic number, because the mean of its divisors is an integer number (24984).

2¹⁴³⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

143589 is a deficient number, since it is larger than the sum of its proper divisors (56283).

143589 is a wasteful number, since it uses less digits than its factorization.

143589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its digits is 4320, while the sum is 30.

The square root of 143589 is about 378.9313922071. The cubic root of 143589 is about 52.3649134811.

The spelling of 143589 in words is "one hundred forty-three thousand, five hundred eighty-nine".