245605636 has 12 divisors (see below), whose sum is σ = 430015180. Its totient is φ = 122744160.

The previous prime is 245605627. The next prime is 245605643. The reversal of 245605636 is 636506542.

It can be written as a sum of positive squares in 2 ways, for example, as 18922500 + 226683136 = 4350^2 + 15056^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 245605595 and 245605604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4455 + ... + 22606.

Almost surely, 2^245605636 is an apocalyptic number.

It is an amenable number.

245605636 is a deficient number, since it is larger than the sum of its proper divisors (184409544).

245605636 is a wasteful number, since it uses less digits than its factorization.

245605636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29334 (or 29332 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 245605636 is about 15671.8102336648. The cubic root of 245605636 is about 626.2476504521.

The spelling of 245605636 in words is "two hundred forty-five million, six hundred five thousand, six hundred thirty-six".