144504222 has 16 divisors (see below), whose sum is σ = 289230480. Its totient is φ = 48131072.

The previous prime is 144504221. The next prime is 144504229. The reversal of 144504222 is 222405441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144504192 and 144504201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144504221) 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, 93 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (18076905).

Almost surely, 2^144504222 is an apocalyptic number.

144504222 is an abundant number, since it is smaller than the sum of its proper divisors (144726258).

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

144504222 is a wasteful number, since it uses less digits than its factorization.

144504222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18507.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 144504222 is about 12020.9908909374. The cubic root of 144504222 is about 524.7593418542.

Adding to 144504222 its reverse (222405441), we get a palindrome (366909663).

The spelling of 144504222 in words is "one hundred forty-four million, five hundred four thousand, two hundred twenty-two".