1844764945 has 16 divisors (see below), whose sum is σ = 2373615360. Its totient is φ = 1371412224.

The previous prime is 1844764937. The next prime is 1844764951. The reversal of 1844764945 is 5494674481.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1844764945 - 2³ = 1844764937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1844764892 and 1844764901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130647 + ... + 144076.

It is an arithmetic number, because the mean of its divisors is an integer number (148350960).

Almost surely, 2^1844764945 is an apocalyptic number.

It is an amenable number.

1844764945 is a deficient number, since it is larger than the sum of its proper divisors (528850415).

1844764945 is a wasteful number, since it uses less digits than its factorization.

1844764945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274824.

The product of its digits is 3870720, while the sum is 52.

The square root of 1844764945 is about 42950.7269437899. The cubic root of 1844764945 is about 1226.4419937039.

The spelling of 1844764945 in words is "one billion, eight hundred forty-four million, seven hundred sixty-four thousand, nine hundred forty-five".