645245335314 has 96 divisors (see below), whose sum is σ = 1526488104960. Its totient is φ = 203712051600.

The previous prime is 645245335313. The next prime is 645245335373. The reversal of 645245335314 is 413533542546.

645245335314 is a `hidden beast` number, since 6 + 4 + 52 + 4 + 533 + 53 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 645245335314.

It is not an unprimeable number, because it can be changed into a prime (645245335313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63811119 + ... + 63821229.

It is an arithmetic number, because the mean of its divisors is an integer number (15900917760).

Almost surely, 2^645245335314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 645245335314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763244052480).

645245335314 is an abundant number, since it is smaller than the sum of its proper divisors (881242769646).

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

645245335314 is a wasteful number, since it uses less digits than its factorization.

645245335314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17058 (or 17046 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 45.

The spelling of 645245335314 in words is "six hundred forty-five billion, two hundred forty-five million, three hundred thirty-five thousand, three hundred fourteen".