143000439 has 4 divisors (see below), whose sum is σ = 190667256. Its totient is φ = 95333624.

The previous prime is 143000401. The next prime is 143000513. The reversal of 143000439 is 934000341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143000439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143000339) 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, 23833404 + ... + 23833409.

It is an arithmetic number, because the mean of its divisors is an integer number (47666814).

Almost surely, 2^143000439 is an apocalyptic number.

143000439 is a deficient number, since it is larger than the sum of its proper divisors (47666817).

143000439 is an equidigital number, since it uses as much as digits as its factorization.

143000439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47666816.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 143000439 is about 11958.2790985994. The cubic root of 143000439 is about 522.9326882968.

The spelling of 143000439 in words is "one hundred forty-three million, four hundred thirty-nine", and thus it is an aban number.