143421324 has 48 divisors (see below), whose sum is σ = 345451008. Its totient is φ = 46277568.

The previous prime is 143421301. The next prime is 143421331. The reversal of 143421324 is 423124341.

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 = 143421294 and 143421303.

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 15 ways as a sum of consecutive naturals, for example, 100077 + ... + 101499.

It is an arithmetic number, because the mean of its divisors is an integer number (7196896).

Almost surely, 2^143421324 is an apocalyptic number.

It is an amenable number.

143421324 is an abundant number, since it is smaller than the sum of its proper divisors (202029684).

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

143421324 is a wasteful number, since it uses less digits than its factorization.

143421324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1692 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 143421324 is about 11975.8642276873. The cubic root of 143421324 is about 523.4452250598.

Adding to 143421324 its reverse (423124341), we get a palindrome (566545665).

The spelling of 143421324 in words is "one hundred forty-three million, four hundred twenty-one thousand, three hundred twenty-four".