143830643 has 12 divisors (see below), whose sum is σ = 159031824. Its totient is φ = 129980400.

The previous prime is 143830637. The next prime is 143830649. The reversal of 143830643 is 346038341.

143830643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143830637) and next prime (143830649).

It is not a de Polignac number, because 143830643 - 2²⁶ = 76721779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143830649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17498 + ... + 24368.

It is an arithmetic number, because the mean of its divisors is an integer number (13252652).

Almost surely, 2^143830643 is an apocalyptic number.

143830643 is a deficient number, since it is larger than the sum of its proper divisors (15201181).

143830643 is a wasteful number, since it uses less digits than its factorization.

143830643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066 (or 7055 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 143830643 is about 11992.9413823299. The cubic root of 143830643 is about 523.9427163357.

Adding to 143830643 its reverse (346038341), we get a palindrome (489868984).

The spelling of 143830643 in words is "one hundred forty-three million, eight hundred thirty thousand, six hundred forty-three".