145041320297 has 2 divisors, whose sum is σ = 145041320298. Its totient is φ = 145041320296.

The previous prime is 145041320261. The next prime is 145041320381. The reversal of 145041320297 is 792023140541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108625613056 + 36415707241 = 329584^2 + 190829^2 .

It is an emirp because it is prime and its reverse (792023140541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145041320297 - 2⁶ = 145041320233 is a prime.

It is a super-3 number, since 3×145041320297³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145041320297.

It is not a weakly prime, because it can be changed into another prime (145041320497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72520660148 + 72520660149.

It is an arithmetic number, because the mean of its divisors is an integer number (72520660149).

Almost surely, 2^145041320297 is an apocalyptic number.

It is an amenable number.

145041320297 is a deficient number, since it is larger than the sum of its proper divisors (1).

145041320297 is an equidigital number, since it uses as much as digits as its factorization.

145041320297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 145041320297 in words is "one hundred forty-five billion, forty-one million, three hundred twenty thousand, two hundred ninety-seven".