245633636 has 12 divisors (see below), whose sum is σ = 431234412. Its totient is φ = 122423808.

The previous prime is 245633623. The next prime is 245633657. The reversal of 245633636 is 636336542.

It can be written as a sum of positive squares in 2 ways, for example, as 12888100 + 232745536 = 3590^2 + 15256^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 245633636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96845 + ... + 99348.

It is an arithmetic number, because the mean of its divisors is an integer number (35936201).

Almost surely, 2^245633636 is an apocalyptic number.

It is an amenable number.

245633636 is a deficient number, since it is larger than the sum of its proper divisors (185600776).

245633636 is a wasteful number, since it uses less digits than its factorization.

245633636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196510 (or 196508 counting only the distinct ones).

The product of its digits is 233280, while the sum is 38.

The square root of 245633636 is about 15672.7035319373. The cubic root of 245633636 is about 626.2714477723.

The spelling of 245633636 in words is "two hundred forty-five million, six hundred thirty-three thousand, six hundred thirty-six".