18145759 has 2 divisors, whose sum is σ = 18145760. Its totient is φ = 18145758.

The previous prime is 18145711. The next prime is 18145763. The reversal of 18145759 is 95754181.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18145759 - 2¹⁷ = 18014687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18142759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9072879 + 9072880.

It is an arithmetic number, because the mean of its divisors is an integer number (9072880).

Almost surely, 2^18145759 is an apocalyptic number.

18145759 is a deficient number, since it is larger than the sum of its proper divisors (1).

18145759 is an equidigital number, since it uses as much as digits as its factorization.

18145759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 40.

The square root of 18145759 is about 4259.7839147074. The cubic root of 18145759 is about 262.7796397130.

The spelling of 18145759 in words is "eighteen million, one hundred forty-five thousand, seven hundred fifty-nine".