245555455452543 has 12 divisors (see below), whose sum is σ = 360702928914120. Its totient is φ = 160928999053296.

The previous prime is 245555455452539. The next prime is 245555455452569. The reversal of 245555455452543 is 345254554555542.

245555455452543 is a `hidden beast` number, since 2 + 4 + 5 + 5 + 5 + 5 + 45 + 5 + 45 + 2 + 543 = 666.

It is not a de Polignac number, because 245555455452543 - 2² = 245555455452539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245555455452943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231219825696 + ... + 231219826757.

It is an arithmetic number, because the mean of its divisors is an integer number (30058577409510).

Almost surely, 2^{245555455452543} is an apocalyptic number.

245555455452543 is a deficient number, since it is larger than the sum of its proper divisors (115147473461577).

245555455452543 is a wasteful number, since it uses less digits than its factorization.

245555455452543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462439652518 (or 462439652515 counting only the distinct ones).

The product of its digits is 1200000000, while the sum is 63.

The spelling of 245555455452543 in words is "two hundred forty-five trillion, five hundred fifty-five billion, four hundred fifty-five million, four hundred fifty-two thousand, five hundred forty-three".