1844456845 has 96 divisors (see below), whose sum is σ = 2911104000. Its totient is φ = 1097141760.

The previous prime is 1844456827. The next prime is 1844456891. The reversal of 1844456845 is 5486544481.

It is not a de Polignac number, because 1844456845 - 2¹³ = 1844448653 is a prime.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 12378831 + ... + 12378979.

It is an arithmetic number, because the mean of its divisors is an integer number (30324000).

Almost surely, 2^1844456845 is an apocalyptic number.

It is an amenable number.

1844456845 is a deficient number, since it is larger than the sum of its proper divisors (1066647155).

1844456845 is a wasteful number, since it uses less digits than its factorization.

1844456845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 288 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 49.

The square root of 1844456845 is about 42947.1401259735. The cubic root of 1844456845 is about 1226.3737125899.

The spelling of 1844456845 in words is "one billion, eight hundred forty-four million, four hundred fifty-six thousand, eight hundred forty-five".