143132231432 has 16 divisors (see below), whose sum is σ = 268667539200. Its totient is φ = 71487554320.

The previous prime is 143132231399. The next prime is 143132231461. The reversal of 143132231432 is 234132231341.

It is a junction number, because it is equal to n+sod(n) for n = 143132231395 and 143132231404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9812432 + ... + 9827007.

It is an arithmetic number, because the mean of its divisors is an integer number (16791721200).

Almost surely, 2^143132231432 is an apocalyptic number.

It is an amenable number.

143132231432 is a deficient number, since it is larger than the sum of its proper divisors (125535307768).

143132231432 is a wasteful number, since it uses less digits than its factorization.

143132231432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19640356 (or 19640352 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

Adding to 143132231432 its reverse (234132231341), we get a palindrome (377264462773).

Subtracting 143132231432 from its reverse (234132231341), we obtain a palindrome (90999999909).

The spelling of 143132231432 in words is "one hundred forty-three billion, one hundred thirty-two million, two hundred thirty-one thousand, four hundred thirty-two".