18114147 has 24 divisors (see below), whose sum is σ = 26936000. Its totient is φ = 11726208.

The previous prime is 18114101. The next prime is 18114149. The reversal of 18114147 is 74141181.

It is not a de Polignac number, because 18114147 - 2¹⁴ = 18097763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18114147.

It is not an unprimeable number, because it can be changed into a prime (18114149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51729 + ... + 52077.

Almost surely, 2^18114147 is an apocalyptic number.

18114147 is a deficient number, since it is larger than the sum of its proper divisors (8821853).

18114147 is a wasteful number, since it uses less digits than its factorization.

18114147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 504 counting only the distinct ones).

The product of its digits is 896, while the sum is 27.

The square root of 18114147 is about 4256.0717804097. The cubic root of 18114147 is about 262.6269535572.

The spelling of 18114147 in words is "eighteen million, one hundred fourteen thousand, one hundred forty-seven".