245208514842 has 16 divisors (see below), whose sum is σ = 544907810880. Its totient is φ = 81736171596.

The previous prime is 245208514819. The next prime is 245208514847. The reversal of 245208514842 is 248415802542.

It is a happy number.

245208514842 is a `hidden beast` number, since 2 + 4 + 52 + 0 + 8 + 514 + 84 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (245208514847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2270449158 + ... + 2270449265.

It is an arithmetic number, because the mean of its divisors is an integer number (34056738180).

Almost surely, 2^245208514842 is an apocalyptic number.

245208514842 is an abundant number, since it is smaller than the sum of its proper divisors (299699296038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245208514842 is a wasteful number, since it uses less digits than its factorization.

245208514842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540898434 (or 4540898428 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 45.

The spelling of 245208514842 in words is "two hundred forty-five billion, two hundred eight million, five hundred fourteen thousand, eight hundred forty-two".