144554326457 has 2 divisors, whose sum is σ = 144554326458. Its totient is φ = 144554326456.

The previous prime is 144554326387. The next prime is 144554326481. The reversal of 144554326457 is 754623455441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111419769616 + 33134556841 = 333796^2 + 182029^2 .

It is a cyclic number.

It is not a de Polignac number, because 144554326457 - 2¹⁸ = 144554064313 is a prime.

It is not a weakly prime, because it can be changed into another prime (144554326957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72277163228 + 72277163229.

It is an arithmetic number, because the mean of its divisors is an integer number (72277163229).

Almost surely, 2^144554326457 is an apocalyptic number.

It is an amenable number.

144554326457 is a deficient number, since it is larger than the sum of its proper divisors (1).

144554326457 is an equidigital number, since it uses as much as digits as its factorization.

144554326457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064000, while the sum is 50.

The spelling of 144554326457 in words is "one hundred forty-four billion, five hundred fifty-four million, three hundred twenty-six thousand, four hundred fifty-seven".