144471601 has 2 divisors, whose sum is σ = 144471602. Its totient is φ = 144471600.

The previous prime is 144471583. The next prime is 144471617. The reversal of 144471601 is 106174441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101909025 + 42562576 = 10095^2 + 6524^2 .

It is a cyclic number.

It is not a de Polignac number, because 144471601 - 2⁷ = 144471473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144471601.

It is not a weakly prime, because it can be changed into another prime (144471001) 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, 72235800 + 72235801.

It is an arithmetic number, because the mean of its divisors is an integer number (72235801).

Almost surely, 2^144471601 is an apocalyptic number.

It is an amenable number.

144471601 is a deficient number, since it is larger than the sum of its proper divisors (1).

144471601 is an equidigital number, since it uses as much as digits as its factorization.

144471601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 144471601 is about 12019.6339794521. The cubic root of 144471601 is about 524.7198517444.

The spelling of 144471601 in words is "one hundred forty-four million, four hundred seventy-one thousand, six hundred one".