143643432 has 16 divisors (see below), whose sum is σ = 359108640. Its totient is φ = 47881136.

The previous prime is 143643427. The next prime is 143643449. The reversal of 143643432 is 234346341.

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

It is a self number, because there is not a number n which added to its sum of digits gives 143643432.

It is an unprimeable number.

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, 2992548 + ... + 2992595.

It is an arithmetic number, because the mean of its divisors is an integer number (22444290).

Almost surely, 2^143643432 is an apocalyptic number.

143643432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143643432 is an abundant number, since it is smaller than the sum of its proper divisors (215465208).

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

143643432 is a wasteful number, since it uses less digits than its factorization.

143643432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5985152 (or 5985148 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

The square root of 143643432 is about 11985.1337914935. The cubic root of 143643432 is about 523.7152950994.

Adding to 143643432 its reverse (234346341), we get a palindrome (377989773).

The spelling of 143643432 in words is "one hundred forty-three million, six hundred forty-three thousand, four hundred thirty-two".