144121322 has 8 divisors (see below), whose sum is σ = 216727716. Its totient is φ = 71878752.

The previous prime is 144121321. The next prime is 144121331. The reversal of 144121322 is 223121441.

It can be written as a sum of positive squares in 2 ways, for example, as 138556441 + 5564881 = 11771^2 + 2359^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 144121294 and 144121303.

It is not an unprimeable number, because it can be changed into a prime (144121321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89963 + ... + 91550.

Almost surely, 2^144121322 is an apocalyptic number.

144121322 is a deficient number, since it is larger than the sum of its proper divisors (72606394).

144121322 is a wasteful number, since it uses less digits than its factorization.

144121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181912.

The product of its digits is 384, while the sum is 20.

The square root of 144121322 is about 12005.0540190371. The cubic root of 144121322 is about 524.2954382565.

Adding to 144121322 its reverse (223121441), we get a palindrome (367242763).

The spelling of 144121322 in words is "one hundred forty-four million, one hundred twenty-one thousand, three hundred twenty-two".