144285073 has 2 divisors, whose sum is σ = 144285074. Its totient is φ = 144285072.

The previous prime is 144285061. The next prime is 144285083. The reversal of 144285073 is 370582441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142277184 + 2007889 = 11928^2 + 1417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144285073 is a prime.

It is not a weakly prime, because it can be changed into another prime (144285023) 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, 72142536 + 72142537.

It is an arithmetic number, because the mean of its divisors is an integer number (72142537).

Almost surely, 2^144285073 is an apocalyptic number.

It is an amenable number.

144285073 is a deficient number, since it is larger than the sum of its proper divisors (1).

144285073 is an equidigital number, since it uses as much as digits as its factorization.

144285073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 144285073 is about 12011.8721688170. The cubic root of 144285073 is about 524.4939316874.

The spelling of 144285073 in words is "one hundred forty-four million, two hundred eighty-five thousand, seventy-three".