144534497 has 2 divisors, whose sum is σ = 144534498. Its totient is φ = 144534496.

The previous prime is 144534491. The next prime is 144534499. The reversal of 144534497 is 794435441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113720896 + 30813601 = 10664^2 + 5551^2 .

It is a cyclic number.

It is not a de Polignac number, because 144534497 - 2⁸ = 144534241 is a prime.

Together with 144534499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144534491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72267248 + 72267249.

It is an arithmetic number, because the mean of its divisors is an integer number (72267249).

Almost surely, 2^144534497 is an apocalyptic number.

It is an amenable number.

144534497 is a deficient number, since it is larger than the sum of its proper divisors (1).

144534497 is an equidigital number, since it uses as much as digits as its factorization.

144534497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 144534497 is about 12022.2500805798. The cubic root of 144534497 is about 524.7959866421.

It can be divided in two parts, 1445344 and 97, that added together give a palindrome (1445441).

The spelling of 144534497 in words is "one hundred forty-four million, five hundred thirty-four thousand, four hundred ninety-seven".