645300512022 has 8 divisors (see below), whose sum is σ = 1290601024056. Its totient is φ = 215100170672.

The previous prime is 645300512011. The next prime is 645300512029. The reversal of 645300512022 is 220215003546.

645300512022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

645300512022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (645300512029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53775042663 + ... + 53775042674.

It is an arithmetic number, because the mean of its divisors is an integer number (161325128007).

Almost surely, 2^645300512022 is an apocalyptic number.

645300512022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

645300512022 is a wasteful number, since it uses less digits than its factorization.

645300512022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107550085342.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 645300512022 its reverse (220215003546), we get a palindrome (865515515568).

The spelling of 645300512022 in words is "six hundred forty-five billion, three hundred million, five hundred twelve thousand, twenty-two".