144325457 has 2 divisors, whose sum is σ = 144325458. Its totient is φ = 144325456.

The previous prime is 144325411. The next prime is 144325469. The reversal of 144325457 is 754523441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144096016 + 229441 = 12004^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 144325457 - 2¹⁸ = 144063313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144325757) 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, 72162728 + 72162729.

It is an arithmetic number, because the mean of its divisors is an integer number (72162729).

Almost surely, 2^144325457 is an apocalyptic number.

It is an amenable number.

144325457 is a deficient number, since it is larger than the sum of its proper divisors (1).

144325457 is an equidigital number, since it uses as much as digits as its factorization.

144325457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 35.

The square root of 144325457 is about 12013.5530547794. The cubic root of 144325457 is about 524.5428607200.

Adding to 144325457 its reverse (754523441), we get a palindrome (898848898).

The spelling of 144325457 in words is "one hundred forty-four million, three hundred twenty-five thousand, four hundred fifty-seven".