18144883 has 2 divisors, whose sum is σ = 18144884. Its totient is φ = 18144882.

The previous prime is 18144881. The next prime is 18144887. The reversal of 18144883 is 38844181.

It is a weak prime.

It is an emirp because it is prime and its reverse (38844181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18144883 - 2¹ = 18144881 is a prime.

Together with 18144881, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (18144881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9072441 + 9072442.

It is an arithmetic number, because the mean of its divisors is an integer number (9072442).

Almost surely, 2^18144883 is an apocalyptic number.

18144883 is a deficient number, since it is larger than the sum of its proper divisors (1).

18144883 is an equidigital number, since it uses as much as digits as its factorization.

18144883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 37.

The square root of 18144883 is about 4259.6810913494. The cubic root of 18144883 is about 262.7754110175.

The spelling of 18144883 in words is "eighteen million, one hundred forty-four thousand, eight hundred eighty-three".