144896617 has 2 divisors, whose sum is σ = 144896618. Its totient is φ = 144896616.

The previous prime is 144896599. The next prime is 144896621. The reversal of 144896617 is 716698441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96746896 + 48149721 = 9836^2 + 6939^2 .

It is a cyclic number.

It is not a de Polignac number, because 144896617 - 2¹¹ = 144894569 is a prime.

It is not a weakly prime, because it can be changed into another prime (144896657) 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, 72448308 + 72448309.

It is an arithmetic number, because the mean of its divisors is an integer number (72448309).

Almost surely, 2^144896617 is an apocalyptic number.

It is an amenable number.

144896617 is a deficient number, since it is larger than the sum of its proper divisors (1).

144896617 is an equidigital number, since it uses as much as digits as its factorization.

144896617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 46.

The square root of 144896617 is about 12037.3010679305. The cubic root of 144896617 is about 525.2338997072.

The spelling of 144896617 in words is "one hundred forty-four million, eight hundred ninety-six thousand, six hundred seventeen".