143412220 has 72 divisors (see below), whose sum is σ = 356227200. Its totient is φ = 48343680.

The previous prime is 143412173. The next prime is 143412229. The reversal of 143412220 is 22214341.

143412220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143412229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58581 + ... + 60979.

It is an arithmetic number, because the mean of its divisors is an integer number (4947600).

Almost surely, 2^143412220 is an apocalyptic number.

143412220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143412220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178113600).

143412220 is an abundant number, since it is smaller than the sum of its proper divisors (212814980).

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

143412220 is a wasteful number, since it uses less digits than its factorization.

143412220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483 (or 2474 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 143412220 is about 11975.4841238256. The cubic root of 143412220 is about 523.4341491937.

Adding to 143412220 its reverse (22214341), we get a palindrome (165626561).

It can be divided in two parts, 14341 and 2220, that added together give a palindrome (16561).

The spelling of 143412220 in words is "one hundred forty-three million, four hundred twelve thousand, two hundred twenty".