13143415420145 has 4 divisors (see below), whose sum is σ = 15772098504180. Its totient is φ = 10514732336112.

The previous prime is 13143415420117. The next prime is 13143415420147. The reversal of 13143415420145 is 54102451434131.

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 1799614201009 + 11343801219136 = 1341497^2 + 3368056^2 .

It is a cyclic number.

It is not a de Polignac number, because 13143415420145 - 2⁶ = 13143415420081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13143415420099 and 13143415420108.

It is not an unprimeable number, because it can be changed into a prime (13143415420147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314341542010 + ... + 1314341542019.

It is an arithmetic number, because the mean of its divisors is an integer number (3943024626045).

Almost surely, 2^{13143415420145} is an apocalyptic number.

It is an amenable number.

13143415420145 is a deficient number, since it is larger than the sum of its proper divisors (2628683084035).

13143415420145 is an equidigital number, since it uses as much as digits as its factorization.

13143415420145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628683084034.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 13143415420145 its reverse (54102451434131), we get a palindrome (67245866854276).

The spelling of 13143415420145 in words is "thirteen trillion, one hundred forty-three billion, four hundred fifteen million, four hundred twenty thousand, one hundred forty-five".