143429399 has 2 divisors, whose sum is σ = 143429400. Its totient is φ = 143429398.

The previous prime is 143429371. The next prime is 143429437. The reversal of 143429399 is 993924341.

It is a weak prime.

It is an emirp because it is prime and its reverse (993924341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143429399 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143429329) 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, 71714699 + 71714700.

It is an arithmetic number, because the mean of its divisors is an integer number (71714700).

Almost surely, 2^143429399 is an apocalyptic number.

143429399 is a deficient number, since it is larger than the sum of its proper divisors (1).

143429399 is an equidigital number, since it uses as much as digits as its factorization.

143429399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 44.

The square root of 143429399 is about 11976.2013593627. The cubic root of 143429399 is about 523.4550486592.

The spelling of 143429399 in words is "one hundred forty-three million, four hundred twenty-nine thousand, three hundred ninety-nine".