143211234 has 16 divisors (see below), whose sum is σ = 286601472. Its totient is φ = 47707248.

The previous prime is 143211217. The next prime is 143211241. The reversal of 143211234 is 432112341.

It is a self number, because there is not a number n which added to its sum of digits gives 143211234.

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, 4392 + ... + 17484.

It is an arithmetic number, because the mean of its divisors is an integer number (17912592).

Almost surely, 2^143211234 is an apocalyptic number.

143211234 is an abundant number, since it is smaller than the sum of its proper divisors (143390238).

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

143211234 is a wasteful number, since it uses less digits than its factorization.

143211234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14921.

The product of its digits is 576, while the sum is 21.

The square root of 143211234 is about 11967.0896211234. The cubic root of 143211234 is about 523.1895114634.

Adding to 143211234 its reverse (432112341), we get a palindrome (575323575).

The spelling of 143211234 in words is "one hundred forty-three million, two hundred eleven thousand, two hundred thirty-four".