143222342 has 16 divisors (see below), whose sum is σ = 226886400. Its totient is φ = 67618440.

The previous prime is 143222333. The next prime is 143222347. The reversal of 143222342 is 243222341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143222347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5759 + ... + 17877.

It is an arithmetic number, because the mean of its divisors is an integer number (14180400).

Almost surely, 2^143222342 is an apocalyptic number.

143222342 is a deficient number, since it is larger than the sum of its proper divisors (83664058).

143222342 is a wasteful number, since it uses less digits than its factorization.

143222342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12451.

The product of its digits is 2304, while the sum is 23.

The square root of 143222342 is about 11967.5537182834. The cubic root of 143222342 is about 523.2030379601.

Adding to 143222342 its reverse (243222341), we get a palindrome (386444683).

Subtracting 143222342 from its reverse (243222341), we obtain a palindrome (99999999).

The spelling of 143222342 in words is "one hundred forty-three million, two hundred twenty-two thousand, three hundred forty-two".