143112432 has 20 divisors (see below), whose sum is σ = 369707240. Its totient is φ = 47704128.

The previous prime is 143112421. The next prime is 143112433. The reversal of 143112432 is 234211341.

143112432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 143112399 and 143112408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143112433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490707 + ... + 1490802.

It is an arithmetic number, because the mean of its divisors is an integer number (18485362).

Almost surely, 2^143112432 is an apocalyptic number.

143112432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143112432 is an abundant number, since it is smaller than the sum of its proper divisors (226594808).

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

143112432 is a wasteful number, since it uses less digits than its factorization.

143112432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981520 (or 2981514 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 143112432 is about 11962.9608375184. The cubic root of 143112432 is about 523.0691669420.

Adding to 143112432 its reverse (234211341), we get a palindrome (377323773).

It can be divided in two parts, 143 and 112432, that added together give a triangular number (112575 = T₄₇₄).

The spelling of 143112432 in words is "one hundred forty-three million, one hundred twelve thousand, four hundred thirty-two".