143039 has 4 divisors (see below), whose sum is σ = 154056. Its totient is φ = 132024.

The previous prime is 142993. The next prime is 143053. The reversal of 143039 is 930341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930341 = 31 ⋅30011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143239) 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, 5489 + ... + 5514.

It is an arithmetic number, because the mean of its divisors is an integer number (38514).

2¹⁴³⁰³⁹ is an apocalyptic number.

143039 is a deficient number, since it is larger than the sum of its proper divisors (11017).

143039 is a wasteful number, since it uses less digits than its factorization.

143039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11016.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 143039 is about 378.2049708822. The cubic root of 143039 is about 52.2979688141.

The spelling of 143039 in words is "one hundred forty-three thousand, thirty-nine".