143643214 has 24 divisors (see below), whose sum is σ = 255056760. Its totient is φ = 60268560.

The previous prime is 143643169. The next prime is 143643239. The reversal of 143643214 is 412346341.

143643214 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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19684 + ... + 25975.

It is an arithmetic number, because the mean of its divisors is an integer number (10627365).

Almost surely, 2^143643214 is an apocalyptic number.

143643214 is a deficient number, since it is larger than the sum of its proper divisors (111413546).

143643214 is a wasteful number, since it uses less digits than its factorization.

143643214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45696 (or 45685 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 143643214 is about 11985.1246968899. The cubic root of 143643214 is about 523.7150301610.

Adding to 143643214 its reverse (412346341), we get a palindrome (555989555).

It can be divided in two parts, 14364 and 3214, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 143643214 in words is "one hundred forty-three million, six hundred forty-three thousand, two hundred fourteen".