1845373128 has 32 divisors (see below), whose sum is σ = 4624961760. Its totient is φ = 613587200.

The previous prime is 1845373109. The next prime is 1845373139. The reversal of 1845373128 is 8213735481.

It is a self number, because there is not a number n which added to its sum of digits gives 1845373128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86250 + ... + 105497.

It is an arithmetic number, because the mean of its divisors is an integer number (144530055).

Almost surely, 2^1845373128 is an apocalyptic number.

It is an amenable number.

1845373128 is an abundant number, since it is smaller than the sum of its proper divisors (2779588632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1845373128 is a wasteful number, since it uses less digits than its factorization.

1845373128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192157 (or 192153 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 1845373128 is about 42957.8063685752. The cubic root of 1845373128 is about 1226.5767568921.

The spelling of 1845373128 in words is "one billion, eight hundred forty-five million, three hundred seventy-three thousand, one hundred twenty-eight".