245541550205 has 24 divisors (see below), whose sum is σ = 342797647968. Its totient is φ = 168350870688.

The previous prime is 245541550171. The next prime is 245541550211. The reversal of 245541550205 is 502055145542.

It is not a de Polignac number, because 245541550205 - 2¹⁰ = 245541549181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2115902 + ... + 2228928.

It is an arithmetic number, because the mean of its divisors is an integer number (14283235332).

Almost surely, 2^245541550205 is an apocalyptic number.

It is an amenable number.

245541550205 is a deficient number, since it is larger than the sum of its proper divisors (97256097763).

245541550205 is a wasteful number, since it uses less digits than its factorization.

245541550205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121913 (or 121906 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 38.

Adding to 245541550205 its reverse (502055145542), we get a palindrome (747596695747).

The spelling of 245541550205 in words is "two hundred forty-five billion, five hundred forty-one million, five hundred fifty thousand, two hundred five".