13442331454545 has 16 divisors (see below), whose sum is σ = 24580263231360. Its totient is φ = 6145065807744.

The previous prime is 13442331454529. The next prime is 13442331454547. The reversal of 13442331454545 is 54545413324431.

It is a happy number.

It is not a de Polignac number, because 13442331454545 - 2⁴ = 13442331454529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13442331454494 and 13442331454503.

It is not an unprimeable number, because it can be changed into a prime (13442331454547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64011102060 + ... + 64011102269.

It is an arithmetic number, because the mean of its divisors is an integer number (1536266451960).

Almost surely, 2^{13442331454545} is an apocalyptic number.

13442331454545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13442331454545 is a deficient number, since it is larger than the sum of its proper divisors (11137931776815).

13442331454545 is a wasteful number, since it uses less digits than its factorization.

13442331454545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128022204344.

The product of its digits is 6912000, while the sum is 48.

Adding to 13442331454545 its reverse (54545413324431), we get a palindrome (67987744778976).

The spelling of 13442331454545 in words is "thirteen trillion, four hundred forty-two billion, three hundred thirty-one million, four hundred fifty-four thousand, five hundred forty-five".