143422361 has 2 divisors, whose sum is σ = 143422362. Its totient is φ = 143422360.

The previous prime is 143422351. The next prime is 143422369. The reversal of 143422361 is 163224341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124456336 + 18966025 = 11156^2 + 4355^2 .

It is a cyclic number.

It is not a de Polignac number, because 143422361 - 2¹⁰ = 143421337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143422361.

It is not a weakly prime, because it can be changed into another prime (143422369) 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, 71711180 + 71711181.

It is an arithmetic number, because the mean of its divisors is an integer number (71711181).

Almost surely, 2^143422361 is an apocalyptic number.

It is an amenable number.

143422361 is a deficient number, since it is larger than the sum of its proper divisors (1).

143422361 is an equidigital number, since it uses as much as digits as its factorization.

143422361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 143422361 is about 11975.9075230230. The cubic root of 143422361 is about 523.4464866374.

The spelling of 143422361 in words is "one hundred forty-three million, four hundred twenty-two thousand, three hundred sixty-one".