145453424354549 has 2 divisors, whose sum is σ = 145453424354550. Its totient is φ = 145453424354548.

The previous prime is 145453424354531. The next prime is 145453424354569. The reversal of 145453424354549 is 945453424354541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141627683952049 + 3825740402500 = 11900743^2 + 1955950^2 .

It is a cyclic number.

It is not a de Polignac number, because 145453424354549 - 2²⁰ = 145453423305973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145453424354491 and 145453424354500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145453424354509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72726712177274 + 72726712177275.

It is an arithmetic number, because the mean of its divisors is an integer number (72726712177275).

Almost surely, 2^{145453424354549} is an apocalyptic number.

It is an amenable number.

145453424354549 is a deficient number, since it is larger than the sum of its proper divisors (1).

145453424354549 is an equidigital number, since it uses as much as digits as its factorization.

145453424354549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720000, while the sum is 62.

The spelling of 145453424354549 in words is "one hundred forty-five trillion, four hundred fifty-three billion, four hundred twenty-four million, three hundred fifty-four thousand, five hundred forty-nine".