144554017 has 2 divisors, whose sum is σ = 144554018. Its totient is φ = 144554016.

The previous prime is 144553993. The next prime is 144554027. The reversal of 144554017 is 710455441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113294736 + 31259281 = 10644^2 + 5591^2 .

It is a cyclic number.

It is not a de Polignac number, because 144554017 - 2²³ = 136165409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144554017.

It is not a weakly prime, because it can be changed into another prime (144554027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72277008 + 72277009.

It is an arithmetic number, because the mean of its divisors is an integer number (72277009).

Almost surely, 2^144554017 is an apocalyptic number.

It is an amenable number.

144554017 is a deficient number, since it is larger than the sum of its proper divisors (1).

144554017 is an equidigital number, since it uses as much as digits as its factorization.

144554017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 144554017 is about 12023.0618812347. The cubic root of 144554017 is about 524.8196108904.

The spelling of 144554017 in words is "one hundred forty-four million, five hundred fifty-four thousand, seventeen".