245874520845 has 64 divisors (see below), whose sum is σ = 460224710400. Its totient is φ = 124202004480.

The previous prime is 245874520831. The next prime is 245874520873. The reversal of 245874520845 is 548025478542.

245874520845 is a `hidden beast` number, since 2 + 4 + 5 + 8 + 74 + 520 + 8 + 45 = 666.

It is not a de Polignac number, because 245874520845 - 2¹² = 245874516749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245874520791 and 245874520800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14460669 + ... + 14477661.

It is an arithmetic number, because the mean of its divisors is an integer number (7191011100).

Almost surely, 2^245874520845 is an apocalyptic number.

It is an amenable number.

245874520845 is a deficient number, since it is larger than the sum of its proper divisors (214350189555).

245874520845 is a wasteful number, since it uses less digits than its factorization.

245874520845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22667 (or 22661 counting only the distinct ones).

The product of its (nonzero) digits is 14336000, while the sum is 54.

The spelling of 245874520845 in words is "two hundred forty-five billion, eight hundred seventy-four million, five hundred twenty thousand, eight hundred forty-five".