2145300333564 has 96 divisors (see below), whose sum is σ = 5049643898880. Its totient is φ = 708857238528.

The previous prime is 2145300333557. The next prime is 2145300333569. The reversal of 2145300333564 is 4653330035412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145300333569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 695846767 + ... + 695849849.

It is an arithmetic number, because the mean of its divisors is an integer number (52600457280).

Almost surely, 2^{2145300333564} is an apocalyptic number.

It is an amenable number.

2145300333564 is an abundant number, since it is smaller than the sum of its proper divisors (2904343565316).

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

2145300333564 is a wasteful number, since it uses less digits than its factorization.

2145300333564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339 (or 4337 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 39.

Adding to 2145300333564 its reverse (4653330035412), we get a palindrome (6798630368976).

The spelling of 2145300333564 in words is "two trillion, one hundred forty-five billion, three hundred million, three hundred thirty-three thousand, five hundred sixty-four".