8144236243 has 24 divisors (see below), whose sum is σ = 9636794640. Its totient is φ = 6822840960.

The previous prime is 8144236237. The next prime is 8144236279. The reversal of 8144236243 is 3426324418.

It is not a de Polignac number, because 8144236243 - 2¹⁷ = 8144105171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8144233243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1210573 + ... + 1217281.

It is an arithmetic number, because the mean of its divisors is an integer number (401533110).

Almost surely, 2^8144236243 is an apocalyptic number.

8144236243 is a deficient number, since it is larger than the sum of its proper divisors (1492558397).

8144236243 is a wasteful number, since it uses less digits than its factorization.

8144236243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399 (or 7386 counting only the distinct ones).

The product of its digits is 110592, while the sum is 37.

The square root of 8144236243 is about 90245.4222827950. The cubic root of 8144236243 is about 2011.9481654459.

The spelling of 8144236243 in words is "eight billion, one hundred forty-four million, two hundred thirty-six thousand, two hundred forty-three".