145477583546497 has 2 divisors, whose sum is σ = 145477583546498. Its totient is φ = 145477583546496.

The previous prime is 145477583546489. The next prime is 145477583546513. The reversal of 145477583546497 is 794645385774541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93824485180416 + 51653098366081 = 9686304^2 + 7187009^2 .

It is a cyclic number.

It is not a de Polignac number, because 145477583546497 - 2³ = 145477583546489 is a prime.

It is not a weakly prime, because it can be changed into another prime (145477583546797) 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, 72738791773248 + 72738791773249.

It is an arithmetic number, because the mean of its divisors is an integer number (72738791773249).

Almost surely, 2^{145477583546497} is an apocalyptic number.

It is an amenable number.

145477583546497 is a deficient number, since it is larger than the sum of its proper divisors (1).

145477583546497 is an equidigital number, since it uses as much as digits as its factorization.

145477583546497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14224896000, while the sum is 79.

The spelling of 145477583546497 in words is "one hundred forty-five trillion, four hundred seventy-seven billion, five hundred eighty-three million, five hundred forty-six thousand, four hundred ninety-seven".