144423322 has 8 divisors (see below), whose sum is σ = 217406772. Its totient is φ = 71954400.

The previous prime is 144423319. The next prime is 144423337. The reversal of 144423322 is 223324441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 144264121 + 159201 = 12011^2 + 399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127929 + ... + 129052.

Almost surely, 2^144423322 is an apocalyptic number.

144423322 is a deficient number, since it is larger than the sum of its proper divisors (72983450).

144423322 is a wasteful number, since it uses less digits than its factorization.

144423322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257264.

The product of its digits is 4608, while the sum is 25.

The square root of 144423322 is about 12017.6254726131. The cubic root of 144423322 is about 524.6613955681.

Adding to 144423322 its reverse (223324441), we get a palindrome (367747763).

The spelling of 144423322 in words is "one hundred forty-four million, four hundred twenty-three thousand, three hundred twenty-two".