13144455514545 has 8 divisors (see below), whose sum is σ = 21031128823296. Its totient is φ = 7010376274416.

The previous prime is 13144455514529. The next prime is 13144455514559. The reversal of 13144455514545 is 54541555444131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13144455514545 - 2⁴ = 13144455514529 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438148517137 + ... + 438148517166.

It is an arithmetic number, because the mean of its divisors is an integer number (2628891102912).

Almost surely, 2^{13144455514545} is an apocalyptic number.

13144455514545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13144455514545 is a deficient number, since it is larger than the sum of its proper divisors (7886673308751).

13144455514545 is an equidigital number, since it uses as much as digits as its factorization.

13144455514545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876297034311.

The product of its digits is 9600000, while the sum is 51.

The spelling of 13144455514545 in words is "thirteen trillion, one hundred forty-four billion, four hundred fifty-five million, five hundred fourteen thousand, five hundred forty-five".