143442223432 has 32 divisors (see below), whose sum is σ = 271304986680. Its totient is φ = 71096762880.

The previous prime is 143442223427. The next prime is 143442223451. The reversal of 143442223432 is 234322244341.

It can be written as a sum of positive squares in 4 ways, for example, as 2467506276 + 140974717156 = 49674^2 + 375466^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294978 + ... + 611470.

Almost surely, 2^143442223432 is an apocalyptic number.

It is an amenable number.

143442223432 is a deficient number, since it is larger than the sum of its proper divisors (127862763248).

143442223432 is a wasteful number, since it uses less digits than its factorization.

143442223432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316993 (or 316989 counting only the distinct ones).

The product of its digits is 110592, while the sum is 34.

Adding to 143442223432 its reverse (234322244341), we get a palindrome (377764467773).

The spelling of 143442223432 in words is "one hundred forty-three billion, four hundred forty-two million, two hundred twenty-three thousand, four hundred thirty-two".