143339 has 4 divisors (see below), whose sum is σ = 163824. Its totient is φ = 122856.

The previous prime is 143333. The next prime is 143357. The reversal of 143339 is 933341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933341 = 101 ⋅9241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10232 + ... + 10245.

It is an arithmetic number, because the mean of its divisors is an integer number (40956).

2¹⁴³³³⁹ is an apocalyptic number.

143339 is a deficient number, since it is larger than the sum of its proper divisors (20485).

143339 is an equidigital number, since it uses as much as digits as its factorization.

143339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20484.

The product of its digits is 972, while the sum is 23.

The square root of 143339 is about 378.6013734788. The cubic root of 143339 is about 52.3345053177.

The spelling of 143339 in words is "one hundred forty-three thousand, three hundred thirty-nine".