143142021432 has 48 divisors (see below), whose sum is σ = 387702315000. Its totient is φ = 47710806336.

The previous prime is 143142021431. The next prime is 143142021461. The reversal of 143142021432 is 234120241341.

143142021432 is a `hidden beast` number, since 1 + 4 + 314 + 202 + 143 + 2 = 666.

143142021432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 143142021396 and 143142021405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143142021431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1172994 + ... + 1289262.

Almost surely, 2^143142021432 is an apocalyptic number.

143142021432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143142021432 is an abundant number, since it is smaller than the sum of its proper divisors (244560293568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143142021432 is a wasteful number, since it uses less digits than its factorization.

143142021432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133380 (or 133373 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 143142021432 its reverse (234120241341), we get a palindrome (377262262773).

The spelling of 143142021432 in words is "one hundred forty-three billion, one hundred forty-two million, twenty-one thousand, four hundred thirty-two".