143559 has 16 divisors (see below), whose sum is σ = 229600. Its totient is φ = 88128.

The previous prime is 143551. The next prime is 143567. The reversal of 143559 is 955341.

It is an interprime number because it is at equal distance from previous prime (143551) and next prime (143567).

It is not a de Polignac number, because 143559 - 2³ = 143551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian 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 143559.

It is not an unprimeable number, because it can be changed into a prime (143551) 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, 147 + ... + 555.

It is an arithmetic number, because the mean of its divisors is an integer number (14350).

2¹⁴³⁵⁵⁹ is an apocalyptic number.

143559 is a deficient number, since it is larger than the sum of its proper divisors (86041).

143559 is a wasteful number, since it uses less digits than its factorization.

143559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 425 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 143559 is about 378.8918051370. The cubic root of 143559 is about 52.3612663661.

The spelling of 143559 in words is "one hundred forty-three thousand, five hundred fifty-nine".