145653685686 has 12 divisors (see below), whose sum is σ = 315582985692. Its totient is φ = 48551228556.

The previous prime is 145653685673. The next prime is 145653685741. The reversal of 145653685686 is 686586356541.

145653685686 is a `hidden beast` number, since 1 + 4 + 5 + 6 + 5 + 3 + 68 + 568 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4045935696 + ... + 4045935731.

It is an arithmetic number, because the mean of its divisors is an integer number (26298582141).

Almost surely, 2^145653685686 is an apocalyptic number.

145653685686 is an abundant number, since it is smaller than the sum of its proper divisors (169929300006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145653685686 is a wasteful number, since it uses less digits than its factorization.

145653685686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8091871435 (or 8091871432 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 63.

The spelling of 145653685686 in words is "one hundred forty-five billion, six hundred fifty-three million, six hundred eighty-five thousand, six hundred eighty-six".