144273253 has 2 divisors, whose sum is σ = 144273254. Its totient is φ = 144273252.

The previous prime is 144273229. The next prime is 144273257. The reversal of 144273253 is 352372441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140968129 + 3305124 = 11873^2 + 1818^2 .

It is an emirp because it is prime and its reverse (352372441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144273253 - 2⁹ = 144272741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144273257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72136626 + 72136627.

It is an arithmetic number, because the mean of its divisors is an integer number (72136627).

Almost surely, 2^144273253 is an apocalyptic number.

It is an amenable number.

144273253 is a deficient number, since it is larger than the sum of its proper divisors (1).

144273253 is an equidigital number, since it uses as much as digits as its factorization.

144273253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 144273253 is about 12011.3801455120. The cubic root of 144273253 is about 524.4796089132.

The spelling of 144273253 in words is "one hundred forty-four million, two hundred seventy-three thousand, two hundred fifty-three".