245563652106 has 40 divisors (see below), whose sum is σ = 551300800644. Its totient is φ = 81697412160.

The previous prime is 245563652051. The next prime is 245563652107. The reversal of 245563652106 is 601256365542.

245563652106 is a `hidden beast` number, since 2 + 4 + 5 + 5 + 636 + 5 + 2 + 1 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 198911540025 + 46652112081 = 445995^2 + 215991^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (245563652107) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1370325 + ... + 1539128.

Almost surely, 2^245563652106 is an apocalyptic number.

245563652106 is an abundant number, since it is smaller than the sum of its proper divisors (305737148538).

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

245563652106 is a wasteful number, since it uses less digits than its factorization.

245563652106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909988 (or 2909979 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 245563652106 in words is "two hundred forty-five billion, five hundred sixty-three million, six hundred fifty-two thousand, one hundred six".