1845041513 has 16 divisors (see below), whose sum is σ = 2135984256. Its totient is φ = 1561056000.

The previous prime is 1845041503. The next prime is 1845041537. The reversal of 1845041513 is 3151405481.

It is not a de Polignac number, because 1845041513 - 2⁸ = 1845041257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1845041513.

It is not an unprimeable number, because it can be changed into a prime (1845041503) 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, 193895 + ... + 203187.

It is an arithmetic number, because the mean of its divisors is an integer number (133499016).

Almost surely, 2^1845041513 is an apocalyptic number.

It is an amenable number.

1845041513 is a deficient number, since it is larger than the sum of its proper divisors (290942743).

1845041513 is a wasteful number, since it uses less digits than its factorization.

1845041513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 1845041513 is about 42953.9464193920. The cubic root of 1845041513 is about 1226.5032802219.

Adding to 1845041513 its reverse (3151405481), we get a palindrome (4996446994).

The spelling of 1845041513 in words is "one billion, eight hundred forty-five million, forty-one thousand, five hundred thirteen".