143512243213 has 4 divisors (see below), whose sum is σ = 143556309180. Its totient is φ = 143468177248.

The previous prime is 143512243211. The next prime is 143512243223. The reversal of 143512243213 is 312342215341.

143512243213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122316668644 + 21195574569 = 349738^2 + 145587^2 .

It is a cyclic number.

It is not a de Polignac number, because 143512243213 - 2¹ = 143512243211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143512243211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22028098 + ... + 22034611.

It is an arithmetic number, because the mean of its divisors is an integer number (35889077295).

Almost surely, 2^143512243213 is an apocalyptic number.

It is an amenable number.

143512243213 is a deficient number, since it is larger than the sum of its proper divisors (44065967).

143512243213 is an equidigital number, since it uses as much as digits as its factorization.

143512243213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44065966.

The product of its digits is 17280, while the sum is 31.

Adding to 143512243213 its reverse (312342215341), we get a palindrome (455854458554).

The spelling of 143512243213 in words is "one hundred forty-three billion, five hundred twelve million, two hundred forty-three thousand, two hundred thirteen".