2945891342 has 16 divisors (see below), whose sum is σ = 4687777152. Its totient is φ = 1383632640.

The previous prime is 2945891303. The next prime is 2945891363. The reversal of 2945891342 is 2431985492.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65438 + ... + 100865.

It is an arithmetic number, because the mean of its divisors is an integer number (292986072).

Almost surely, 2^2945891342 is an apocalyptic number.

2945891342 is a deficient number, since it is larger than the sum of its proper divisors (1741885810).

2945891342 is a wasteful number, since it uses less digits than its factorization.

2945891342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166843.

The product of its digits is 622080, while the sum is 47.

The square root of 2945891342 is about 54276.0660144045. The cubic root of 2945891342 is about 1433.5260015868.

The spelling of 2945891342 in words is "two billion, nine hundred forty-five million, eight hundred ninety-one thousand, three hundred forty-two".