1845703145 has 24 divisors (see below), whose sum is σ = 2621777928. Its totient is φ = 1239068160.

The previous prime is 1845703127. The next prime is 1845703193. The reversal of 1845703145 is 5413075481.

It can be written as a sum of positive squares in 4 ways, for example, as 113145769 + 1732557376 = 10637^2 + 41624^2 .

It is not a de Polignac number, because 1845703145 - 2¹⁶ = 1845637609 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1845703099 and 1845703108.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109472 + ... + 125201.

It is an arithmetic number, because the mean of its divisors is an integer number (109240747).

Almost surely, 2^1845703145 is an apocalyptic number.

It is an amenable number.

1845703145 is a deficient number, since it is larger than the sum of its proper divisors (776074783).

1845703145 is a wasteful number, since it uses less digits than its factorization.

1845703145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234713 (or 234702 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 1845703145 is about 42961.6473729767. The cubic root of 1845703145 is about 1226.6498707514.

The spelling of 1845703145 in words is "one billion, eight hundred forty-five million, seven hundred three thousand, one hundred forty-five".