208124496545 has 24 divisors (see below), whose sum is σ = 290612448000. Its totient is φ = 142670889312.

The previous prime is 208124496509. The next prime is 208124496581. The reversal of 208124496545 is 545694421802.

208124496545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (208124496509) and next prime (208124496581).

It is not a de Polignac number, because 208124496545 - 2¹² = 208124492449 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 208124496493 and 208124496502.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 696506 + ... + 949404.

It is an arithmetic number, because the mean of its divisors is an integer number (12108852000).

Almost surely, 2^208124496545 is an apocalyptic number.

It is an amenable number.

208124496545 is a deficient number, since it is larger than the sum of its proper divisors (82487951455).

208124496545 is a wasteful number, since it uses less digits than its factorization.

208124496545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256277 (or 256270 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 208124496545 in words is "two hundred eight billion, one hundred twenty-four million, four hundred ninety-six thousand, five hundred forty-five".