2845345990 has 8 divisors (see below), whose sum is σ = 5121622800. Its totient is φ = 1138138392.

The previous prime is 2845345967. The next prime is 2845346047. The reversal of 2845345990 is 995435482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142267290 + ... + 142267309.

It is an arithmetic number, because the mean of its divisors is an integer number (640202850).

Almost surely, 2^2845345990 is an apocalyptic number.

2845345990 is a deficient number, since it is larger than the sum of its proper divisors (2276276810).

2845345990 is a wasteful number, since it uses less digits than its factorization.

2845345990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284534606.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The square root of 2845345990 is about 53341.7846533091. The cubic root of 2845345990 is about 1417.0277694172.

The spelling of 2845345990 in words is "two billion, eight hundred forty-five million, three hundred forty-five thousand, nine hundred ninety".