143304349 has 2 divisors, whose sum is σ = 143304350. Its totient is φ = 143304348.

The previous prime is 143304347. The next prime is 143304383. The reversal of 143304349 is 943403341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142038724 + 1265625 = 11918^2 + 1125^2 .

It is a cyclic number.

It is not a de Polignac number, because 143304349 - 2¹ = 143304347 is a prime.

It is a super-2 number, since 2×143304349² = 41072272884627602, which contains 22 as substring.

Together with 143304347, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 143304349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143304347) 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, 71652174 + 71652175.

It is an arithmetic number, because the mean of its divisors is an integer number (71652175).

Almost surely, 2^143304349 is an apocalyptic number.

It is an amenable number.

143304349 is a deficient number, since it is larger than the sum of its proper divisors (1).

143304349 is an equidigital number, since it uses as much as digits as its factorization.

143304349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 143304349 is about 11970.9794503207. The cubic root of 143304349 is about 523.3028783536.

The spelling of 143304349 in words is "one hundred forty-three million, three hundred four thousand, three hundred forty-nine".