3145163745844 has 12 divisors (see below), whose sum is σ = 5557473804064. Its totient is φ = 1557314087544.

The previous prime is 3145163745839. The next prime is 3145163745923. The reversal of 3145163745844 is 4485473615413.

It is a super-3 number, since 3×3145163745844³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3816945882 + ... + 3816946705.

Almost surely, 2^{3145163745844} is an apocalyptic number.

It is an amenable number.

3145163745844 is a deficient number, since it is larger than the sum of its proper divisors (2412310058220).

3145163745844 is a wasteful number, since it uses less digits than its factorization.

3145163745844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7633892694 (or 7633892692 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 55.

The spelling of 3145163745844 in words is "three trillion, one hundred forty-five billion, one hundred sixty-three million, seven hundred forty-five thousand, eight hundred forty-four".