143236222442 has 8 divisors (see below), whose sum is σ = 214863285636. Its totient is φ = 71615127232.

The previous prime is 143236222433. The next prime is 143236222483. The reversal of 143236222442 is 244222632341.

143236222442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 127869892921 + 15366329521 = 357589^2 + 123961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431503 + ... + 1528290.

Almost surely, 2^143236222442 is an apocalyptic number.

143236222442 is a deficient number, since it is larger than the sum of its proper divisors (71627063194).

143236222442 is a wasteful number, since it uses less digits than its factorization.

143236222442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983992.

The product of its digits is 110592, while the sum is 35.

Adding to 143236222442 its reverse (244222632341), we get a palindrome (387458854783).

The spelling of 143236222442 in words is "one hundred forty-three billion, two hundred thirty-six million, two hundred twenty-two thousand, four hundred forty-two".