180949242 has 8 divisors (see below), whose sum is σ = 361898496. Its totient is φ = 60316412.

The previous prime is 180949231. The next prime is 180949243. The reversal of 180949242 is 242949081.

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

180949242 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 180949242.

It is not an unprimeable number, because it can be changed into a prime (180949243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15079098 + ... + 15079109.

It is an arithmetic number, because the mean of its divisors is an integer number (45237312).

Almost surely, 2^180949242 is an apocalyptic number.

180949242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180949242 is a wasteful number, since it uses less digits than its factorization.

180949242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30158212.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 180949242 is about 13451.7375085897. The cubic root of 180949242 is about 565.6124009566.

The spelling of 180949242 in words is "one hundred eighty million, nine hundred forty-nine thousand, two hundred forty-two".