13844823145 has 8 divisors (see below), whose sum is σ = 16656499080. Its totient is φ = 11047384320.

The previous prime is 13844823127. The next prime is 13844823151. The reversal of 13844823145 is 54132844831.

It can be written as a sum of positive squares in 4 ways, for example, as 1226120256 + 12618702889 = 35016^2 + 112333^2 .

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

It is not a de Polignac number, because 13844823145 - 2⁷ = 13844823017 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3557136 + ... + 3561025.

It is an arithmetic number, because the mean of its divisors is an integer number (2082062385).

Almost surely, 2^13844823145 is an apocalyptic number.

It is an amenable number.

13844823145 is a deficient number, since it is larger than the sum of its proper divisors (2811675935).

13844823145 is an equidigital number, since it uses as much as digits as its factorization.

13844823145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118555.

The product of its digits is 368640, while the sum is 43.

The spelling of 13844823145 in words is "thirteen billion, eight hundred forty-four million, eight hundred twenty-three thousand, one hundred forty-five".