144315173 has 2 divisors, whose sum is σ = 144315174. Its totient is φ = 144315172.

The previous prime is 144315169. The next prime is 144315209. The reversal of 144315173 is 371513441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72709729 + 71605444 = 8527^2 + 8462^2 .

It is a cyclic number.

It is not a de Polignac number, because 144315173 - 2² = 144315169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144315103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72157586 + 72157587.

It is an arithmetic number, because the mean of its divisors is an integer number (72157587).

Almost surely, 2^144315173 is an apocalyptic number.

It is an amenable number.

144315173 is a deficient number, since it is larger than the sum of its proper divisors (1).

144315173 is an equidigital number, since it uses as much as digits as its factorization.

144315173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 144315173 is about 12013.1250305655. The cubic root of 144315173 is about 524.5304015484.

The spelling of 144315173 in words is "one hundred forty-four million, three hundred fifteen thousand, one hundred seventy-three".