845148305 has 16 divisors (see below), whose sum is σ = 1059555600. Its totient is φ = 646329600.

The previous prime is 845148301. The next prime is 845148307. The reversal of 845148305 is 503841548.

It can be written as a sum of positive squares in 8 ways, for example, as 839056 + 844309249 = 916^2 + 29057^2 .

It is not a de Polignac number, because 845148305 - 2² = 845148301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (845148301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14210 + ... + 43499.

It is an arithmetic number, because the mean of its divisors is an integer number (66222225).

Almost surely, 2^845148305 is an apocalyptic number.

It is an amenable number.

845148305 is a deficient number, since it is larger than the sum of its proper divisors (214407295).

845148305 is a wasteful number, since it uses less digits than its factorization.

845148305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57844.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 845148305 is about 29071.4345191289. The cubic root of 845148305 is about 945.4625004808.

The spelling of 845148305 in words is "eight hundred forty-five million, one hundred forty-eight thousand, three hundred five".