144212444 has 6 divisors (see below), whose sum is σ = 252371784. Its totient is φ = 72106220.

The previous prime is 144212441. The next prime is 144212483. The reversal of 144212444 is 444212441.

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 (144212441) 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 as a sum of consecutive naturals, namely, 18026552 + ... + 18026559.

It is an arithmetic number, because the mean of its divisors is an integer number (42061964).

Almost surely, 2^144212444 is an apocalyptic number.

It is an amenable number.

144212444 is a deficient number, since it is larger than the sum of its proper divisors (108159340).

144212444 is a wasteful number, since it uses less digits than its factorization.

144212444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36053115 (or 36053113 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 144212444 is about 12008.8485709497. The cubic root of 144212444 is about 524.4059118101.

Adding to 144212444 its reverse (444212441), we get a palindrome (588424885).

The spelling of 144212444 in words is "one hundred forty-four million, two hundred twelve thousand, four hundred forty-four".