144034021 has 2 divisors, whose sum is σ = 144034022. Its totient is φ = 144034020.

The previous prime is 144034001. The next prime is 144034043. The reversal of 144034021 is 120430441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122965921 + 21068100 = 11089^2 + 4590^2 .

It is a cyclic number.

It is not a de Polignac number, because 144034021 - 2¹³ = 144025829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144034021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144034001) 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, 72017010 + 72017011.

It is an arithmetic number, because the mean of its divisors is an integer number (72017011).

Almost surely, 2^144034021 is an apocalyptic number.

It is an amenable number.

144034021 is a deficient number, since it is larger than the sum of its proper divisors (1).

144034021 is an equidigital number, since it uses as much as digits as its factorization.

144034021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 144034021 is about 12001.4174579505. The cubic root of 144034021 is about 524.1895534817.

Adding to 144034021 its reverse (120430441), we get a palindrome (264464462).

The spelling of 144034021 in words is "one hundred forty-four million, thirty-four thousand, twenty-one".