144275633 has 2 divisors, whose sum is σ = 144275634. Its totient is φ = 144275632.

The previous prime is 144275627. The next prime is 144275653. The reversal of 144275633 is 336572441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144168049 + 107584 = 12007^2 + 328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144275633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144275593 and 144275602.

It is not a weakly prime, because it can be changed into another prime (144275653) 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, 72137816 + 72137817.

It is an arithmetic number, because the mean of its divisors is an integer number (72137817).

Almost surely, 2^144275633 is an apocalyptic number.

It is an amenable number.

144275633 is a deficient number, since it is larger than the sum of its proper divisors (1).

144275633 is an equidigital number, since it uses as much as digits as its factorization.

144275633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 35.

The square root of 144275633 is about 12011.4792178149. The cubic root of 144275633 is about 524.4824929188.

The spelling of 144275633 in words is "one hundred forty-four million, two hundred seventy-five thousand, six hundred thirty-three".