144412212 has 72 divisors (see below), whose sum is σ = 415062144. Its totient is φ = 38830848.

The previous prime is 144412207. The next prime is 144412231. The reversal of 144412212 is 212214441.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2773 + ... + 17219.

It is an arithmetic number, because the mean of its divisors is an integer number (5764752).

Almost surely, 2^144412212 is an apocalyptic number.

144412212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144412212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207531072).

144412212 is an abundant number, since it is smaller than the sum of its proper divisors (270649932).

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

144412212 is a wasteful number, since it uses less digits than its factorization.

144412212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14485 (or 14476 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 144412212 is about 12017.1632259864. The cubic root of 144412212 is about 524.6479417448.

Adding to 144412212 its reverse (212214441), we get a palindrome (356626653).

It can be divided in two parts, 14441 and 2212, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 144412212 in words is "one hundred forty-four million, four hundred twelve thousand, two hundred twelve".