143839963 has 2 divisors, whose sum is σ = 143839964. Its totient is φ = 143839962.

The previous prime is 143839957. The next prime is 143839967. The reversal of 143839963 is 369938341.

143839963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143839963 is a prime.

It is not a weakly prime, because it can be changed into another prime (143839967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71919981 + 71919982.

It is an arithmetic number, because the mean of its divisors is an integer number (71919982).

Almost surely, 2^143839963 is an apocalyptic number.

143839963 is a deficient number, since it is larger than the sum of its proper divisors (1).

143839963 is an equidigital number, since it uses as much as digits as its factorization.

143839963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 46.

The square root of 143839963 is about 11993.3299379280. The cubic root of 143839963 is about 523.9540329800.

The spelling of 143839963 in words is "one hundred forty-three million, eight hundred thirty-nine thousand, nine hundred sixty-three".