180242999 has 2 divisors, whose sum is σ = 180243000. Its totient is φ = 180242998.

The previous prime is 180242977. The next prime is 180243013. The reversal of 180242999 is 999242081.

It is a strong prime.

It is an emirp because it is prime and its reverse (999242081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 180242999 - 2¹⁶ = 180177463 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180242939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90121499 + 90121500.

It is an arithmetic number, because the mean of its divisors is an integer number (90121500).

Almost surely, 2^180242999 is an apocalyptic number.

180242999 is a deficient number, since it is larger than the sum of its proper divisors (1).

180242999 is an equidigital number, since it uses as much as digits as its factorization.

180242999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 180242999 is about 13425.4608487009. The cubic root of 180242999 is about 564.8755817616.

The spelling of 180242999 in words is "one hundred eighty million, two hundred forty-two thousand, nine hundred ninety-nine".