245456206641 has 48 divisors (see below), whose sum is σ = 361181987712. Its totient is φ = 160598592000.

The previous prime is 245456206621. The next prime is 245456206643. The reversal of 245456206641 is 146602654542.

245456206641 is a `hidden beast` number, since 2 + 4 + 545 + 6 + 2 + 0 + 66 + 41 = 666.

245456206641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245456206641 - 2¹⁵ = 245456173873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245456206643) 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 in 47 ways as a sum of consecutive naturals, for example, 218571306 + ... + 218572428.

It is an arithmetic number, because the mean of its divisors is an integer number (7524624744).

Almost surely, 2^245456206641 is an apocalyptic number.

It is an amenable number.

245456206641 is a deficient number, since it is larger than the sum of its proper divisors (115725781071).

245456206641 is a wasteful number, since it uses less digits than its factorization.

245456206641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 245456206641 in words is "two hundred forty-five billion, four hundred fifty-six million, two hundred six thousand, six hundred forty-one".