1845341837 has 2 divisors, whose sum is σ = 1845341838. Its totient is φ = 1845341836.

The previous prime is 1845341831. The next prime is 1845341873. The reversal of 1845341837 is 7381435481.

Together with next prime (1845341873) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1274418601 + 570923236 = 35699^2 + 23894^2 .

It is a cyclic number.

It is not a de Polignac number, because 1845341837 - 2¹⁸ = 1845079693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1845341831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 922670918 + 922670919.

It is an arithmetic number, because the mean of its divisors is an integer number (922670919).

Almost surely, 2^1845341837 is an apocalyptic number.

It is an amenable number.

1845341837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1845341837 is an equidigital number, since it uses as much as digits as its factorization.

1845341837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 44.

The square root of 1845341837 is about 42957.4421608177. The cubic root of 1845341837 is about 1226.5698240520.

The spelling of 1845341837 in words is "one billion, eight hundred forty-five million, three hundred forty-one thousand, eight hundred thirty-seven".