2945141856 has 120 divisors (see below), whose sum is σ = 8941230144. Its totient is φ = 950019840.

The previous prime is 2945141827. The next prime is 2945141861. The reversal of 2945141856 is 6581415492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62026 + ... + 98678.

Almost surely, 2^2945141856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2945141856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4470615072).

2945141856 is an abundant number, since it is smaller than the sum of its proper divisors (5996088288).

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

2945141856 is a wasteful number, since it uses less digits than its factorization.

2945141856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36706 (or 36689 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 2945141856 is about 54269.1611875474. The cubic root of 2945141856 is about 1433.4044199585.

The spelling of 2945141856 in words is "two billion, nine hundred forty-five million, one hundred forty-one thousand, eight hundred fifty-six".