845349146 has 16 divisors (see below), whose sum is σ = 1286938368. Its totient is φ = 416379600.

The previous prime is 845349143. The next prime is 845349181. The reversal of 845349146 is 641943548.

It is a junction number, because it is equal to n+sod(n) for n = 845349097 and 845349106.

It is not an unprimeable number, because it can be changed into a prime (845349143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331151 + ... + 333693.

It is an arithmetic number, because the mean of its divisors is an integer number (80433648).

Almost surely, 2^845349146 is an apocalyptic number.

845349146 is a deficient number, since it is larger than the sum of its proper divisors (441589222).

845349146 is a wasteful number, since it uses less digits than its factorization.

845349146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957.

The product of its digits is 414720, while the sum is 44.

The square root of 845349146 is about 29074.8885810419. Note that the first 3 decimals coincide. The cubic root of 845349146 is about 945.5373877691.

The spelling of 845349146 in words is "eight hundred forty-five million, three hundred forty-nine thousand, one hundred forty-six".