3145784105208 has 16 divisors (see below), whose sum is σ = 7864460263080. Its totient is φ = 1048594701728.

The previous prime is 3145784105203. The next prime is 3145784105209. The reversal of 3145784105208 is 8025014875413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145784105203) 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, 65537168835 + ... + 65537168882.

Almost surely, 2^{3145784105208} is an apocalyptic number.

It is an amenable number.

3145784105208 is an abundant number, since it is smaller than the sum of its proper divisors (4718676157872).

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

3145784105208 is a wasteful number, since it uses less digits than its factorization.

3145784105208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131074337726 (or 131074337722 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 3145784105208 in words is "three trillion, one hundred forty-five billion, seven hundred eighty-four million, one hundred five thousand, two hundred eight".