180006242 has 16 divisors (see below), whose sum is σ = 295548792. Its totient is φ = 81717120.

The previous prime is 180006187. The next prime is 180006259. The reversal of 180006242 is 242600081.

It can be written as a sum of positive squares in 4 ways, for example, as 23030401 + 156975841 = 4799^2 + 12529^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55163 + ... + 58334.

Almost surely, 2^180006242 is an apocalyptic number.

180006242 is a deficient number, since it is larger than the sum of its proper divisors (115542550).

180006242 is a wasteful number, since it uses less digits than its factorization.

180006242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113573.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 180006242 is about 13416.6404885873. The cubic root of 180006242 is about 564.6281438608.

It can be divided in two parts, 18000 and 6242, that added together give a palindrome (24242).

The spelling of 180006242 in words is "one hundred eighty million, six thousand, two hundred forty-two".