144365497 has 2 divisors, whose sum is σ = 144365498. Its totient is φ = 144365496.

The previous prime is 144365483. The next prime is 144365519. The reversal of 144365497 is 794563441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135932281 + 8433216 = 11659^2 + 2904^2 .

It is a cyclic number.

It is not a de Polignac number, because 144365497 - 2¹¹ = 144363449 is a prime.

It is not a weakly prime, because it can be changed into another prime (144365437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72182748 + 72182749.

It is an arithmetic number, because the mean of its divisors is an integer number (72182749).

Almost surely, 2^144365497 is an apocalyptic number.

It is an amenable number.

144365497 is a deficient number, since it is larger than the sum of its proper divisors (1).

144365497 is an equidigital number, since it uses as much as digits as its factorization.

144365497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 144365497 is about 12015.2193904231. The cubic root of 144365497 is about 524.5913639539.

The spelling of 144365497 in words is "one hundred forty-four million, three hundred sixty-five thousand, four hundred ninety-seven".