144421116 has 24 divisors (see below), whose sum is σ = 385123200. Its totient is φ = 41263152.

The previous prime is 144421111. The next prime is 144421127. The reversal of 144421116 is 611124441.

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 (144421111) 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, 859566 + ... + 859733.

It is an arithmetic number, because the mean of its divisors is an integer number (16046800).

Almost surely, 2^144421116 is an apocalyptic number.

It is an amenable number.

144421116 is an abundant number, since it is smaller than the sum of its proper divisors (240702084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144421116 is a wasteful number, since it uses less digits than its factorization.

144421116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719313 (or 1719311 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 144421116 is about 12017.5336904042. The cubic root of 144421116 is about 524.6587242338.

Adding to 144421116 its reverse (611124441), we get a palindrome (755545557).

The spelling of 144421116 in words is "one hundred forty-four million, four hundred twenty-one thousand, one hundred sixteen".