245107645645756 has 12 divisors (see below), whose sum is σ = 430454063203192. Its totient is φ = 122120770444848.

The previous prime is 245107645645739. The next prime is 245107645645853. The reversal of 245107645645756 is 657546546701542.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 245107645645691 and 245107645645700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108263093235 + ... + 108263095498.

Almost surely, 2^{245107645645756} is an apocalyptic number.

It is an amenable number.

245107645645756 is a deficient number, since it is larger than the sum of its proper divisors (185346417557436).

245107645645756 is a wasteful number, since it uses less digits than its factorization.

245107645645756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216526189020 (or 216526189018 counting only the distinct ones).

The product of its (nonzero) digits is 846720000, while the sum is 67.

The spelling of 245107645645756 in words is "two hundred forty-five trillion, one hundred seven billion, six hundred forty-five million, six hundred forty-five thousand, seven hundred fifty-six".