145653126497 has 2 divisors, whose sum is σ = 145653126498. Its totient is φ = 145653126496.

The previous prime is 145653126457. The next prime is 145653126523. The reversal of 145653126497 is 794621356541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97204274176 + 48448852321 = 311776^2 + 220111^2 .

It is an emirp because it is prime and its reverse (794621356541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145653126497 is a prime.

It is not a weakly prime, because it can be changed into another prime (145653126457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72826563248 + 72826563249.

It is an arithmetic number, because the mean of its divisors is an integer number (72826563249).

Almost surely, 2^145653126497 is an apocalyptic number.

It is an amenable number.

145653126497 is a deficient number, since it is larger than the sum of its proper divisors (1).

145653126497 is an equidigital number, since it uses as much as digits as its factorization.

145653126497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 53.

The spelling of 145653126497 in words is "one hundred forty-five billion, six hundred fifty-three million, one hundred twenty-six thousand, four hundred ninety-seven".