13154241214445 has 4 divisors (see below), whose sum is σ = 15785089457340. Its totient is φ = 10523392971552.

The previous prime is 13154241214441. The next prime is 13154241214463. The reversal of 13154241214445 is 54441214245131.

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 5290193201764 + 7864048012681 = 2300042^2 + 2804291^2 .

It is a cyclic number.

It is not a de Polignac number, because 13154241214445 - 2² = 13154241214441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13154241214441) 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, 1315424121440 + ... + 1315424121449.

It is an arithmetic number, because the mean of its divisors is an integer number (3946272364335).

Almost surely, 2^{13154241214445} is an apocalyptic number.

It is an amenable number.

13154241214445 is a deficient number, since it is larger than the sum of its proper divisors (2630848242895).

13154241214445 is an equidigital number, since it uses as much as digits as its factorization.

13154241214445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630848242894.

The product of its digits is 307200, while the sum is 41.

Adding to 13154241214445 its reverse (54441214245131), we get a palindrome (67595455459576).

The spelling of 13154241214445 in words is "thirteen trillion, one hundred fifty-four billion, two hundred forty-one million, two hundred fourteen thousand, four hundred forty-five".