245318634 has 48 divisors (see below), whose sum is σ = 581424480. Its totient is φ = 74136480.

The previous prime is 245318629. The next prime is 245318641. The reversal of 245318634 is 436813542.

245318634 is a `hidden beast` number, since 2 + 4 + 5 + 3 + 18 + 634 = 666.

245318634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81484 + ... + 84440.

It is an arithmetic number, because the mean of its divisors is an integer number (12113010).

Almost surely, 2^245318634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245318634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290712240).

245318634 is an abundant number, since it is smaller than the sum of its proper divisors (336105846).

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

245318634 is a wasteful number, since it uses less digits than its factorization.

245318634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395 (or 3392 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 245318634 is about 15662.6509250510. The cubic root of 245318634 is about 626.0036218730.

The spelling of 245318634 in words is "two hundred forty-five million, three hundred eighteen thousand, six hundred thirty-four".