245329568 has 96 divisors (see below), whose sum is σ = 548674560. Its totient is φ = 107008000.

The previous prime is 245329547. The next prime is 245329619. The reversal of 245329568 is 865923542.

It is a Cunningham number, because it is equal to 15663²-1.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284353 + ... + 1284543.

It is an arithmetic number, because the mean of its divisors is an integer number (5715360).

Almost surely, 2^245329568 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 245329568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274337280).

245329568 is an abundant number, since it is smaller than the sum of its proper divisors (303344992).

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

245329568 is a wasteful number, since it uses less digits than its factorization.

245329568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 334 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The square root of 245329568 is about 15662.9999680776. Note that the first 4 decimals coincide. The cubic root of 245329568 is about 626.0129221883.

The spelling of 245329568 in words is "two hundred forty-five million, three hundred twenty-nine thousand, five hundred sixty-eight".