143230213652 has 6 divisors (see below), whose sum is σ = 250652873898. Its totient is φ = 71615106824.

The previous prime is 143230213619. The next prime is 143230213657. The reversal of 143230213652 is 256312032341.

It can be written as a sum of positive squares in only one way, i.e., 142556084356 + 674129296 = 377566^2 + 25964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143230213657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17903776703 + ... + 17903776710.

It is an arithmetic number, because the mean of its divisors is an integer number (41775478983).

Almost surely, 2^143230213652 is an apocalyptic number.

It is an amenable number.

143230213652 is a deficient number, since it is larger than the sum of its proper divisors (107422660246).

143230213652 is a wasteful number, since it uses less digits than its factorization.

143230213652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35807553417 (or 35807553415 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 143230213652 its reverse (256312032341), we get a palindrome (399542245993).

The spelling of 143230213652 in words is "one hundred forty-three billion, two hundred thirty million, two hundred thirteen thousand, six hundred fifty-two".