144423216 has 160 divisors (see below), whose sum is σ = 478302720. Its totient is φ = 40870656.

The previous prime is 144423179. The next prime is 144423221. The reversal of 144423216 is 612324441.

It is a happy number.

144423216 is a `hidden beast` number, since 1 + 4 + 442 + 3 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a self number, because there is not a number n which added to its sum of digits gives 144423216.

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 31 ways as a sum of consecutive naturals, for example, 492766 + ... + 493058.

It is an arithmetic number, because the mean of its divisors is an integer number (2989392).

Almost surely, 2^144423216 is an apocalyptic number.

144423216 is a gapful number since it is divisible by the number (16) 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 144423216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239151360).

144423216 is an abundant number, since it is smaller than the sum of its proper divisors (333879504).

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

144423216 is a wasteful number, since it uses less digits than its factorization.

144423216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 468 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 144423216 is about 12017.6210624233. The cubic root of 144423216 is about 524.6612672091.

Adding to 144423216 its reverse (612324441), we get a palindrome (756747657).

The spelling of 144423216 in words is "one hundred forty-four million, four hundred twenty-three thousand, two hundred sixteen".