143515215442213 has 2 divisors, whose sum is σ = 143515215442214. Its totient is φ = 143515215442212.

The previous prime is 143515215442199. The next prime is 143515215442279. The reversal of 143515215442213 is 312244512515341.

143515215442213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119534381179684 + 23980834262529 = 10933178^2 + 4897023^2 .

It is a cyclic number.

It is not a de Polignac number, because 143515215442213 - 2²⁹ = 143514678571301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143515215442213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143515215442283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71757607721106 + 71757607721107.

It is an arithmetic number, because the mean of its divisors is an integer number (71757607721107).

Almost surely, 2^{143515215442213} is an apocalyptic number.

It is an amenable number.

143515215442213 is a deficient number, since it is larger than the sum of its proper divisors (1).

143515215442213 is an equidigital number, since it uses as much as digits as its factorization.

143515215442213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 43.

Adding to 143515215442213 its reverse (312244512515341), we get a palindrome (455759727957554).

The spelling of 143515215442213 in words is "one hundred forty-three trillion, five hundred fifteen billion, two hundred fifteen million, four hundred forty-two thousand, two hundred thirteen".