145011523255517 has 2 divisors, whose sum is σ = 145011523255518. Its totient is φ = 145011523255516.

The previous prime is 145011523255483. The next prime is 145011523255523. The reversal of 145011523255517 is 715552325110541.

145011523255517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85428963642841 + 59582559612676 = 9242779^2 + 7718974^2 .

It is an emirp because it is prime and its reverse (715552325110541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145011523255517 - 2²⁴ = 145011506478301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145011523275517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72505761627758 + 72505761627759.

It is an arithmetic number, because the mean of its divisors is an integer number (72505761627759).

Almost surely, 2^{145011523255517} is an apocalyptic number.

It is an amenable number.

145011523255517 is a deficient number, since it is larger than the sum of its proper divisors (1).

145011523255517 is an equidigital number, since it uses as much as digits as its factorization.

145011523255517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050000, while the sum is 47.

The spelling of 145011523255517 in words is "one hundred forty-five trillion, eleven billion, five hundred twenty-three million, two hundred fifty-five thousand, five hundred seventeen".