145515743741089 has 2 divisors, whose sum is σ = 145515743741090. Its totient is φ = 145515743741088.

The previous prime is 145515743741051. The next prime is 145515743741099. The reversal of 145515743741089 is 980147347515541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96059757816064 + 49455985925025 = 9801008^2 + 7032495^2 .

It is an emirp because it is prime and its reverse (980147347515541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145515743741089 - 2¹⁹ = 145515743216801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145515743741089.

It is not a weakly prime, because it can be changed into another prime (145515743741099) 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, 72757871870544 + 72757871870545.

It is an arithmetic number, because the mean of its divisors is an integer number (72757871870545).

Almost surely, 2^{145515743741089} is an apocalyptic number.

It is an amenable number.

145515743741089 is a deficient number, since it is larger than the sum of its proper divisors (1).

145515743741089 is an equidigital number, since it uses as much as digits as its factorization.

145515743741089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672000, while the sum is 64.

The spelling of 145515743741089 in words is "one hundred forty-five trillion, five hundred fifteen billion, seven hundred forty-three million, seven hundred forty-one thousand, eighty-nine".