18305114 has 4 divisors (see below), whose sum is σ = 27457674. Its totient is φ = 9152556.

The previous prime is 18305071. The next prime is 18305117. The reversal of 18305114 is 41150381.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10923025 + 7382089 = 3305^2 + 2717^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18305114.

It is not an unprimeable number, because it can be changed into a prime (18305117) 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 as a sum of consecutive naturals, namely, 4576277 + ... + 4576280.

Almost surely, 2^18305114 is an apocalyptic number.

18305114 is a deficient number, since it is larger than the sum of its proper divisors (9152560).

18305114 is an equidigital number, since it uses as much as digits as its factorization.

18305114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9152559.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 18305114 is about 4278.4476156662. The cubic root of 18305114 is about 263.5466373361.

Adding to 18305114 its reverse (41150381), we get a palindrome (59455495).

The spelling of 18305114 in words is "eighteen million, three hundred five thousand, one hundred fourteen".