144042216 has 64 divisors (see below), whose sum is σ = 369895680. Its totient is φ = 46721280.

The previous prime is 144042209. The next prime is 144042233. The reversal of 144042216 is 612240441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 312226 + ... + 312686.

It is an arithmetic number, because the mean of its divisors is an integer number (5779620).

Almost surely, 2^144042216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144042216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184947840).

144042216 is an abundant number, since it is smaller than the sum of its proper divisors (225853464).

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

144042216 is a wasteful number, since it uses less digits than its factorization.

144042216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 144042216 is about 12001.7588710989. The cubic root of 144042216 is about 524.1994947718.

Adding to 144042216 its reverse (612240441), we get a palindrome (756282657).

The spelling of 144042216 in words is "one hundred forty-four million, forty-two thousand, two hundred sixteen".