143320505252 has 36 divisors (see below), whose sum is σ = 275037742980. Its totient is φ = 65119229952.

The previous prime is 143320505249. The next prime is 143320505299. The reversal of 143320505252 is 252505023341.

143320505252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5095675456 + 138224829796 = 71384^2 + 371786^2 .

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, 1195877 + ... + 1310252.

It is an arithmetic number, because the mean of its divisors is an integer number (7639937305).

Almost surely, 2^143320505252 is an apocalyptic number.

It is an amenable number.

143320505252 is a deficient number, since it is larger than the sum of its proper divisors (131717237728).

143320505252 is a wasteful number, since it uses less digits than its factorization.

143320505252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506208 (or 2506177 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 143320505252 its reverse (252505023341), we get a palindrome (395825528593).

The spelling of 143320505252 in words is "one hundred forty-three billion, three hundred twenty million, five hundred five thousand, two hundred fifty-two".