145014591781471 has 2 divisors, whose sum is σ = 145014591781472. Its totient is φ = 145014591781470.

The previous prime is 145014591781457. The next prime is 145014591781523. The reversal of 145014591781471 is 174187195410541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145014591781471 - 2⁷ = 145014591781343 is a prime.

It is a super-3 number, since 3×145014591781471³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145014591782471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72507295890735 + 72507295890736.

It is an arithmetic number, because the mean of its divisors is an integer number (72507295890736).

Almost surely, 2^{145014591781471} is an apocalyptic number.

145014591781471 is a deficient number, since it is larger than the sum of its proper divisors (1).

145014591781471 is an equidigital number, since it uses as much as digits as its factorization.

145014591781471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 58.

The spelling of 145014591781471 in words is "one hundred forty-five trillion, fourteen billion, five hundred ninety-one million, seven hundred eighty-one thousand, four hundred seventy-one".