143438329 has 2 divisors, whose sum is σ = 143438330. Its totient is φ = 143438328.

The previous prime is 143438311. The next prime is 143438341. The reversal of 143438329 is 923834341.

143438329 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 can be written as a sum of positive squares in only one way, i.e., 117223929 + 26214400 = 10827^2 + 5120^2 .

It is an emirp because it is prime and its reverse (923834341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143438329 - 2⁵ = 143438297 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (143438629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71719164 + 71719165.

It is an arithmetic number, because the mean of its divisors is an integer number (71719165).

Almost surely, 2^143438329 is an apocalyptic number.

It is an amenable number.

143438329 is a deficient number, since it is larger than the sum of its proper divisors (1).

143438329 is an equidigital number, since it uses as much as digits as its factorization.

143438329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The square root of 143438329 is about 11976.5741762826. The cubic root of 143438329 is about 523.4659119750.

It can be divided in two parts, 14 and 3438329, that added together give a palindrome (3438343).

The spelling of 143438329 in words is "one hundred forty-three million, four hundred thirty-eight thousand, three hundred twenty-nine".