144565633 has 2 divisors, whose sum is σ = 144565634. Its totient is φ = 144565632.

The previous prime is 144565601. The next prime is 144565651. The reversal of 144565633 is 336565441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88510464 + 56055169 = 9408^2 + 7487^2 .

It is a cyclic number.

It is not a de Polignac number, because 144565633 - 2⁵ = 144565601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144565592 and 144565601.

It is not a weakly prime, because it can be changed into another prime (144566633) 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, 72282816 + 72282817.

It is an arithmetic number, because the mean of its divisors is an integer number (72282817).

Almost surely, 2^144565633 is an apocalyptic number.

It is an amenable number.

144565633 is a deficient number, since it is larger than the sum of its proper divisors (1).

144565633 is an equidigital number, since it uses as much as digits as its factorization.

144565633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 144565633 is about 12023.5449431522. The cubic root of 144565633 is about 524.8336682452.

The spelling of 144565633 in words is "one hundred forty-four million, five hundred sixty-five thousand, six hundred thirty-three".