143316428 has 24 divisors (see below), whose sum is σ = 258316800. Its totient is φ = 69542928.

The previous prime is 143316421. The next prime is 143316457. The reversal of 143316428 is 824613341.

It is a junction number, because it is equal to n+sod(n) for n = 143316394 and 143316403.

It is not an unprimeable number, because it can be changed into a prime (143316421) 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 7 ways as a sum of consecutive naturals, for example, 14801 + ... + 22487.

It is an arithmetic number, because the mean of its divisors is an integer number (10763200).

Almost surely, 2^143316428 is an apocalyptic number.

It is an amenable number.

143316428 is a deficient number, since it is larger than the sum of its proper divisors (115000372).

143316428 is a wasteful number, since it uses less digits than its factorization.

143316428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7829 (or 7827 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 143316428 is about 11971.4839514573. The cubic root of 143316428 is about 523.3175808566.

Adding to 143316428 its reverse (824613341), we get a palindrome (967929769).

The spelling of 143316428 in words is "one hundred forty-three million, three hundred sixteen thousand, four hundred twenty-eight".