144145224 has 64 divisors (see below), whose sum is σ = 403368000. Its totient is φ = 47692800.

The previous prime is 144145223. The next prime is 144145241. The reversal of 144145224 is 422541441.

144145224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (144145223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27624 + ... + 32424.

It is an arithmetic number, because the mean of its divisors is an integer number (6302625).

Almost surely, 2^144145224 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 144145224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201684000).

144145224 is an abundant number, since it is smaller than the sum of its proper divisors (259222776).

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

144145224 is a wasteful number, since it uses less digits than its factorization.

144145224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955 (or 4945 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 144145224 is about 12006.0494751604. The cubic root of 144145224 is about 524.3244208217.

Adding to 144145224 its reverse (422541441), we get a palindrome (566686665).

It can be divided in two parts, 1441 and 45224, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 144145224 in words is "one hundred forty-four million, one hundred forty-five thousand, two hundred twenty-four".