143206424 has 16 divisors (see below), whose sum is σ = 273579120. Its totient is φ = 70252000.

The previous prime is 143206417. The next prime is 143206471. The reversal of 143206424 is 424602341.

It is a junction number, because it is equal to n+sod(n) for n = 143206393 and 143206402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168452 + ... + 169299.

It is an arithmetic number, because the mean of its divisors is an integer number (17098695).

Almost surely, 2^143206424 is an apocalyptic number.

It is an amenable number.

143206424 is a deficient number, since it is larger than the sum of its proper divisors (130372696).

143206424 is a wasteful number, since it uses less digits than its factorization.

143206424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337810 (or 337806 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 143206424 is about 11966.8886516087. Note that the first 3 decimals coincide. The cubic root of 143206424 is about 523.1836539859.

Adding to 143206424 its reverse (424602341), we get a palindrome (567808765).

The spelling of 143206424 in words is "one hundred forty-three million, two hundred six thousand, four hundred twenty-four".