18145227248 has 10 divisors (see below), whose sum is σ = 35156377824. Its totient is φ = 9072613616.

The previous prime is 18145227227. The next prime is 18145227263. The reversal of 18145227248 is 84272254181.

It is a junction number, because it is equal to n+sod(n) for n = 18145227199 and 18145227208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567038336 + ... + 567038367.

Almost surely, 2^18145227248 is an apocalyptic number.

It is an amenable number.

18145227248 is a deficient number, since it is larger than the sum of its proper divisors (17011150576).

18145227248 is a wasteful number, since it uses less digits than its factorization.

18145227248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134076711 (or 1134076705 counting only the distinct ones).

The product of its digits is 286720, while the sum is 44.

The spelling of 18145227248 in words is "eighteen billion, one hundred forty-five million, two hundred twenty-seven thousand, two hundred forty-eight".