144294497 has 2 divisors, whose sum is σ = 144294498. Its totient is φ = 144294496.

The previous prime is 144294481. The next prime is 144294511. The reversal of 144294497 is 794492441.

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., 100721296 + 43573201 = 10036^2 + 6601^2 .

It is a cyclic number.

It is not a de Polignac number, because 144294497 - 2⁴ = 144294481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144294407) 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, 72147248 + 72147249.

It is an arithmetic number, because the mean of its divisors is an integer number (72147249).

Almost surely, 2^144294497 is an apocalyptic number.

It is an amenable number.

144294497 is a deficient number, since it is larger than the sum of its proper divisors (1).

144294497 is an equidigital number, since it uses as much as digits as its factorization.

144294497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 144294497 is about 12012.2644409786. The cubic root of 144294497 is about 524.5053505706.

The spelling of 144294497 in words is "one hundred forty-four million, two hundred ninety-four thousand, four hundred ninety-seven".