13244253250145 has 4 divisors (see below), whose sum is σ = 15893103900180. Its totient is φ = 10595402600112.

The previous prime is 13244253250139. The next prime is 13244253250153. The reversal of 13244253250145 is 54105235244231.

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 9563488215121 + 3680765035024 = 3092489^2 + 1918532^2 .

It is a cyclic number.

It is not a de Polignac number, because 13244253250145 - 2¹⁰ = 13244253249121 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324425325010 + ... + 1324425325019.

It is an arithmetic number, because the mean of its divisors is an integer number (3973275975045).

Almost surely, 2^{13244253250145} is an apocalyptic number.

It is an amenable number.

13244253250145 is a deficient number, since it is larger than the sum of its proper divisors (2648850650035).

13244253250145 is an equidigital number, since it uses as much as digits as its factorization.

13244253250145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648850650034.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 13244253250145 its reverse (54105235244231), we get a palindrome (67349488494376).

The spelling of 13244253250145 in words is "thirteen trillion, two hundred forty-four billion, two hundred fifty-three million, two hundred fifty thousand, one hundred forty-five".