143424220 has 24 divisors (see below), whose sum is σ = 305689104. Its totient is φ = 56512896.

The previous prime is 143424187. The next prime is 143424241. The reversal of 143424220 is 22424341.

It is a happy number.

143424220 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 143424191 and 143424200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52177 + ... + 54856.

It is an arithmetic number, because the mean of its divisors is an integer number (12737046).

Almost surely, 2^143424220 is an apocalyptic number.

143424220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143424220 is an abundant number, since it is smaller than the sum of its proper divisors (162264884).

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

143424220 is a wasteful number, since it uses less digits than its factorization.

143424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107109 (or 107107 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 143424220 is about 11975.9851369313. The cubic root of 143424220 is about 523.4487482160.

Adding to 143424220 its reverse (22424341), we get a palindrome (165848561).

The spelling of 143424220 in words is "one hundred forty-three million, four hundred twenty-four thousand, two hundred twenty".