144211444 has 24 divisors (see below), whose sum is σ = 286089440. Its totient is φ = 63055584.

The previous prime is 144211439. The next prime is 144211447. The reversal of 144211444 is 444112441.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144211447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71994 + ... + 73969.

Almost surely, 2^144211444 is an apocalyptic number.

It is an amenable number.

144211444 is a deficient number, since it is larger than the sum of its proper divisors (141877996).

144211444 is a wasteful number, since it uses less digits than its factorization.

144211444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145999 (or 145997 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

The square root of 144211444 is about 12008.8069349124. The cubic root of 144211444 is about 524.4046996929.

Adding to 144211444 its reverse (444112441), we get a palindrome (588323885).

The spelling of 144211444 in words is "one hundred forty-four million, two hundred eleven thousand, four hundred forty-four".