201444242 has 8 divisors (see below), whose sum is σ = 302343996. Its totient is φ = 100662912.

The previous prime is 201444227. The next prime is 201444247. The reversal of 201444242 is 242444102.

It can be written as a sum of positive squares in 2 ways, for example, as 194574601 + 6869641 = 13949^2 + 2621^2 .

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 (201444247) 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, 25223 + ... + 32234.

Almost surely, 2^201444242 is an apocalyptic number.

201444242 is a deficient number, since it is larger than the sum of its proper divisors (100899754).

201444242 is a wasteful number, since it uses less digits than its factorization.

201444242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59212.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 201444242 is about 14193.1054389094. The cubic root of 201444242 is about 586.2078359026.

Adding to 201444242 its reverse (242444102), we get a palindrome (443888344).

The spelling of 201444242 in words is "two hundred one million, four hundred forty-four thousand, two hundred forty-two".