245590668 has 18 divisors (see below), whose sum is σ = 620798724. Its totient is φ = 81863544.

The previous prime is 245590661. The next prime is 245590669. The reversal of 245590668 is 866095542.

245590668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is not an unprimeable number, because it can be changed into a prime (245590661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3410946 + ... + 3411017.

It is an arithmetic number, because the mean of its divisors is an integer number (34488818).

Almost surely, 2^245590668 is an apocalyptic number.

It is an amenable number.

245590668 is an abundant number, since it is smaller than the sum of its proper divisors (375208056).

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

245590668 is a wasteful number, since it uses less digits than its factorization.

245590668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821973 (or 6821968 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 245590668 is about 15671.3326810453. The cubic root of 245590668 is about 626.2349283427.

The spelling of 245590668 in words is "two hundred forty-five million, five hundred ninety thousand, six hundred sixty-eight".