143216324 has 6 divisors (see below), whose sum is σ = 250628574. Its totient is φ = 71608160.

The previous prime is 143216323. The next prime is 143216363. The reversal of 143216324 is 423612341.

It can be written as a sum of positive squares in only one way, i.e., 143041600 + 174724 = 11960^2 + 418^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143216293 and 143216302.

It is not an unprimeable number, because it can be changed into a prime (143216323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17902037 + ... + 17902044.

It is an arithmetic number, because the mean of its divisors is an integer number (41771429).

Almost surely, 2^143216324 is an apocalyptic number.

It is an amenable number.

143216324 is a deficient number, since it is larger than the sum of its proper divisors (107412250).

143216324 is a wasteful number, since it uses less digits than its factorization.

143216324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35804085 (or 35804083 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 143216324 is about 11967.3022858120. The cubic root of 143216324 is about 523.1957097738.

Adding to 143216324 its reverse (423612341), we get a palindrome (566828665).

The spelling of 143216324 in words is "one hundred forty-three million, two hundred sixteen thousand, three hundred twenty-four".