144213214221242 has 8 divisors (see below), whose sum is σ = 216319950310932. Its totient is φ = 72106564117600.

The previous prime is 144213214221229. The next prime is 144213214221277. The reversal of 144213214221242 is 242122412312441.

It can be written as a sum of positive squares in 2 ways, for example, as 139148423462161 + 5064790759081 = 11796119^2 + 2250509^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17125859 + ... + 24118902.

Almost surely, 2^{144213214221242} is an apocalyptic number.

144213214221242 is a deficient number, since it is larger than the sum of its proper divisors (72106736089690).

144213214221242 is a wasteful number, since it uses less digits than its factorization.

144213214221242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42993024.

The product of its digits is 49152, while the sum is 35.

Adding to 144213214221242 its reverse (242122412312441), we get a palindrome (386335626533683).

The spelling of 144213214221242 in words is "one hundred forty-four trillion, two hundred thirteen billion, two hundred fourteen million, two hundred twenty-one thousand, two hundred forty-two".