144322001 has 2 divisors, whose sum is σ = 144322002. Its totient is φ = 144322000.

The previous prime is 144321973. The next prime is 144322037. The reversal of 144322001 is 100223441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110670400 + 33651601 = 10520^2 + 5801^2 .

It is a cyclic number.

It is not a de Polignac number, because 144322001 - 2¹⁰ = 144320977 is a prime.

It is not a weakly prime, because it can be changed into another prime (144322051) by changing a digit.

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 as a sum of consecutive naturals, namely, 72161000 + 72161001.

It is an arithmetic number, because the mean of its divisors is an integer number (72161001).

Almost surely, 2^144322001 is an apocalyptic number.

It is an amenable number.

144322001 is a deficient number, since it is larger than the sum of its proper divisors (1).

144322001 is an equidigital number, since it uses as much as digits as its factorization.

144322001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 144322001 is about 12013.4092163715. The cubic root of 144322001 is about 524.5386738065.

Adding to 144322001 its reverse (100223441), we get a palindrome (244545442).

The spelling of 144322001 in words is "one hundred forty-four million, three hundred twenty-two thousand, one".