18245158244 has 12 divisors (see below), whose sum is σ = 32025491568. Its totient is φ = 9095017800.

The previous prime is 18245158229. The next prime is 18245158259. The reversal of 18245158244 is 44285154281.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18245158229) and next prime (18245158259).

It is a junction number, because it is equal to n+sod(n) for n = 18245158195 and 18245158204.

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 3 ways as a sum of consecutive naturals, for example, 6888842 + ... + 6891489.

It is an arithmetic number, because the mean of its divisors is an integer number (2668790964).

Almost surely, 2^18245158244 is an apocalyptic number.

It is an amenable number.

18245158244 is a deficient number, since it is larger than the sum of its proper divisors (13780333324).

18245158244 is a wasteful number, since it uses less digits than its factorization.

18245158244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13780666 (or 13780664 counting only the distinct ones).

The product of its digits is 409600, while the sum is 44.

The spelling of 18245158244 in words is "eighteen billion, two hundred forty-five million, one hundred fifty-eight thousand, two hundred forty-four".