145653684793 has 2 divisors, whose sum is σ = 145653684794. Its totient is φ = 145653684792.

The previous prime is 145653684749. The next prime is 145653684797. The reversal of 145653684793 is 397486356541.

It is a happy number.

145653684793 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., 131789328784 + 13864356009 = 363028^2 + 117747^2 .

It is a cyclic number.

It is not a de Polignac number, because 145653684793 - 2²⁵ = 145620130361 is a prime.

It is not a weakly prime, because it can be changed into another prime (145653684797) 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, 72826842396 + 72826842397.

It is an arithmetic number, because the mean of its divisors is an integer number (72826842397).

Almost surely, 2^145653684793 is an apocalyptic number.

It is an amenable number.

145653684793 is a deficient number, since it is larger than the sum of its proper divisors (1).

145653684793 is an equidigital number, since it uses as much as digits as its factorization.

145653684793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65318400, while the sum is 61.

The spelling of 145653684793 in words is "one hundred forty-five billion, six hundred fifty-three million, six hundred eighty-four thousand, seven hundred ninety-three".