143904329 has 2 divisors, whose sum is σ = 143904330. Its totient is φ = 143904328.

The previous prime is 143904289. The next prime is 143904331. The reversal of 143904329 is 923409341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96569929 + 47334400 = 9827^2 + 6880^2 .

It is an emirp because it is prime and its reverse (923409341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143904329 is a prime.

Together with 143904331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143954329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71952164 + 71952165.

It is an arithmetic number, because the mean of its divisors is an integer number (71952165).

Almost surely, 2^143904329 is an apocalyptic number.

It is an amenable number.

143904329 is a deficient number, since it is larger than the sum of its proper divisors (1).

143904329 is an equidigital number, since it uses as much as digits as its factorization.

143904329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 143904329 is about 11996.0130460082. The cubic root of 143904329 is about 524.0321749080.

The spelling of 143904329 in words is "one hundred forty-three million, nine hundred four thousand, three hundred twenty-nine".