144274573 has 2 divisors, whose sum is σ = 144274574. Its totient is φ = 144274572.

The previous prime is 144274511. The next prime is 144274583. The reversal of 144274573 is 375472441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108118404 + 36156169 = 10398^2 + 6013^2 .

It is an emirp because it is prime and its reverse (375472441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144274573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144274583) 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, 72137286 + 72137287.

It is an arithmetic number, because the mean of its divisors is an integer number (72137287).

Almost surely, 2^144274573 is an apocalyptic number.

It is an amenable number.

144274573 is a deficient number, since it is larger than the sum of its proper divisors (1).

144274573 is an equidigital number, since it uses as much as digits as its factorization.

144274573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 37.

The square root of 144274573 is about 12011.4350932767. The cubic root of 144274573 is about 524.4812084496.

The spelling of 144274573 in words is "one hundred forty-four million, two hundred seventy-four thousand, five hundred seventy-three".