2845810145 has 4 divisors (see below), whose sum is σ = 3414972180. Its totient is φ = 2276648112.

The previous prime is 2845810141. The next prime is 2845810147. The reversal of 2845810145 is 5410185482.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1094220241 + 1751589904 = 33079^2 + 41852^2 .

It is a cyclic number.

It is not a de Polignac number, because 2845810145 - 2² = 2845810141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2845810099 and 2845810108.

It is not an unprimeable number, because it can be changed into a prime (2845810141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284581010 + ... + 284581019.

It is an arithmetic number, because the mean of its divisors is an integer number (853743045).

Almost surely, 2^2845810145 is an apocalyptic number.

It is an amenable number.

2845810145 is a deficient number, since it is larger than the sum of its proper divisors (569162035).

2845810145 is an equidigital number, since it uses as much as digits as its factorization.

2845810145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569162034.

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 2845810145 is about 53346.1352395841. The cubic root of 2845810145 is about 1417.1048174300.

The spelling of 2845810145 in words is "two billion, eight hundred forty-five million, eight hundred ten thousand, one hundred forty-five".