144442211 has 4 divisors (see below), whose sum is σ = 144578400. Its totient is φ = 144306024.

The previous prime is 144442201. The next prime is 144442213. The reversal of 144442211 is 112244441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144442211 - 2⁶ = 144442147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144442213) 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, 66491 + ... + 68628.

It is an arithmetic number, because the mean of its divisors is an integer number (36144600).

Almost surely, 2^144442211 is an apocalyptic number.

144442211 is a deficient number, since it is larger than the sum of its proper divisors (136189).

144442211 is a wasteful number, since it uses less digits than its factorization.

144442211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136188.

The product of its digits is 1024, while the sum is 23.

The square root of 144442211 is about 12018.4113342821. The cubic root of 144442211 is about 524.6842679061.

Adding to 144442211 its reverse (112244441), we get a palindrome (256686652).

The spelling of 144442211 in words is "one hundred forty-four million, four hundred forty-two thousand, two hundred eleven".