245539668 has 48 divisors (see below), whose sum is σ = 628346880. Its totient is φ = 74008800.

The previous prime is 245539667. The next prime is 245539669. The reversal of 245539668 is 866935542.

It is an interprime number because it is at equal distance from previous prime (245539667) and next prime (245539669).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245539667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20343 + ... + 30081.

It is an arithmetic number, because the mean of its divisors is an integer number (13090560).

Almost surely, 2^245539668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245539668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314173440).

245539668 is an abundant number, since it is smaller than the sum of its proper divisors (382807212).

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

245539668 is a wasteful number, since it uses less digits than its factorization.

245539668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9948 (or 9946 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 48.

The square root of 245539668 is about 15669.7054216089. The cubic root of 245539668 is about 626.1915768145.

The spelling of 245539668 in words is "two hundred forty-five million, five hundred thirty-nine thousand, six hundred sixty-eight".