143629361 has 2 divisors, whose sum is σ = 143629362. Its totient is φ = 143629360.

The previous prime is 143629327. The next prime is 143629363. The reversal of 143629361 is 163926341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142659136 + 970225 = 11944^2 + 985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143629361 is a prime.

Together with 143629363, 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 (143629363) 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, 71814680 + 71814681.

It is an arithmetic number, because the mean of its divisors is an integer number (71814681).

Almost surely, 2^143629361 is an apocalyptic number.

It is an amenable number.

143629361 is a deficient number, since it is larger than the sum of its proper divisors (1).

143629361 is an equidigital number, since it uses as much as digits as its factorization.

143629361 is an odious number, because the sum of its binary digits is odd.

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

The square root of 143629361 is about 11984.5467582216. The cubic root of 143629361 is about 523.6981938684.

The spelling of 143629361 in words is "one hundred forty-three million, six hundred twenty-nine thousand, three hundred sixty-one".