144430901 has 2 divisors, whose sum is σ = 144430902. Its totient is φ = 144430900.

The previous prime is 144430889. The next prime is 144430903. The reversal of 144430901 is 109034441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135722500 + 8708401 = 11650^2 + 2951^2 .

It is a cyclic number.

It is not a de Polignac number, because 144430901 - 2¹⁸ = 144168757 is a prime.

Together with 144430903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144430903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72215450 + 72215451.

It is an arithmetic number, because the mean of its divisors is an integer number (72215451).

Almost surely, 2^144430901 is an apocalyptic number.

It is an amenable number.

144430901 is a deficient number, since it is larger than the sum of its proper divisors (1).

144430901 is an equidigital number, since it uses as much as digits as its factorization.

144430901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 144430901 is about 12017.9407969918. The cubic root of 144430901 is about 524.6705730775.

The spelling of 144430901 in words is "one hundred forty-four million, four hundred thirty thousand, nine hundred one".