18145714 has 8 divisors (see below), whose sum is σ = 27305388. Its totient is φ = 9043920.

The previous prime is 18145711. The next prime is 18145759. The reversal of 18145714 is 41754181.

It can be written as a sum of positive squares in 2 ways, for example, as 12020089 + 6125625 = 3467^2 + 2475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18145711) 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 3 ways as a sum of consecutive naturals, for example, 13677 + ... + 14944.

Almost surely, 2^18145714 is an apocalyptic number.

18145714 is a deficient number, since it is larger than the sum of its proper divisors (9159674).

18145714 is a wasteful number, since it uses less digits than its factorization.

18145714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28940.

The product of its digits is 4480, while the sum is 31.

The square root of 18145714 is about 4259.7786327461. The cubic root of 18145714 is about 262.7794224888.

Adding to 18145714 its reverse (41754181), we get a palindrome (59899895).

The spelling of 18145714 in words is "eighteen million, one hundred forty-five thousand, seven hundred fourteen".