145081108769 has 2 divisors, whose sum is σ = 145081108770. Its totient is φ = 145081108768.

The previous prime is 145081108763. The next prime is 145081108859. The reversal of 145081108769 is 967801180541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104484097600 + 40597011169 = 323240^2 + 201487^2 .

It is a cyclic number.

It is not a de Polignac number, because 145081108769 - 2³² = 140786141473 is a prime.

It is a super-2 number, since 2×145081108769² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145081108763) 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, 72540554384 + 72540554385.

It is an arithmetic number, because the mean of its divisors is an integer number (72540554385).

Almost surely, 2^145081108769 is an apocalyptic number.

It is an amenable number.

145081108769 is a deficient number, since it is larger than the sum of its proper divisors (1).

145081108769 is an equidigital number, since it uses as much as digits as its factorization.

145081108769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 145081108769 in words is "one hundred forty-five billion, eighty-one million, one hundred eight thousand, seven hundred sixty-nine".