13145122143 has 12 divisors (see below), whose sum is σ = 20104304688. Its totient is φ = 8247919680.

The previous prime is 13145122121. The next prime is 13145122153. The reversal of 13145122143 is 34122154131.

13145122143 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 512 + 2 + 143 = 666.

It is not a de Polignac number, because 13145122143 - 2⁶ = 13145122079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145122153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42957763 + ... + 42958068.

It is an arithmetic number, because the mean of its divisors is an integer number (1675358724).

Almost surely, 2^13145122143 is an apocalyptic number.

13145122143 is a deficient number, since it is larger than the sum of its proper divisors (6959182545).

13145122143 is a wasteful number, since it uses less digits than its factorization.

13145122143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85915854 (or 85915851 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 13145122143 its reverse (34122154131), we get a palindrome (47267276274).

The spelling of 13145122143 in words is "thirteen billion, one hundred forty-five million, one hundred twenty-two thousand, one hundred forty-three".