13145454144525 has 48 divisors (see below), whose sum is σ = 22485893578560. Its totient is φ = 6768360345600.

The previous prime is 13145454144503. The next prime is 13145454144527. The reversal of 13145454144525 is 52544145454131.

It is not a de Polignac number, because 13145454144525 - 2¹⁴ = 13145454128141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145454144527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18444454 + ... + 19143896.

It is an arithmetic number, because the mean of its divisors is an integer number (468456116220).

Almost surely, 2^{13145454144525} is an apocalyptic number.

13145454144525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13145454144525 is a deficient number, since it is larger than the sum of its proper divisors (9340439434035).

13145454144525 is a wasteful number, since it uses less digits than its factorization.

13145454144525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708126 (or 708121 counting only the distinct ones).

The product of its digits is 3840000, while the sum is 48.

Adding to 13145454144525 its reverse (52544145454131), we get a palindrome (65689599598656).

The spelling of 13145454144525 in words is "thirteen trillion, one hundred forty-five billion, four hundred fifty-four million, one hundred forty-four thousand, five hundred twenty-five".