145895928508481 has 2 divisors, whose sum is σ = 145895928508482. Its totient is φ = 145895928508480.

The previous prime is 145895928508397. The next prime is 145895928508633. The reversal of 145895928508481 is 184805829598541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139475887420081 + 6420041088400 = 11809991^2 + 2533780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145895928508481 is a prime.

It is a super-2 number, since 2×145895928508481² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145895928508381) 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, 72947964254240 + 72947964254241.

It is an arithmetic number, because the mean of its divisors is an integer number (72947964254241).

Almost surely, 2^{145895928508481} is an apocalyptic number.

It is an amenable number.

145895928508481 is a deficient number, since it is larger than the sum of its proper divisors (1).

145895928508481 is an equidigital number, since it uses as much as digits as its factorization.

145895928508481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104000, while the sum is 77.

The spelling of 145895928508481 in words is "one hundred forty-five trillion, eight hundred ninety-five billion, nine hundred twenty-eight million, five hundred eight thousand, four hundred eighty-one".