1845365 has 8 divisors (see below), whose sum is σ = 2230200. Its totient is φ = 1465792.

The previous prime is 1845353. The next prime is 1845373. The reversal of 1845365 is 5635481.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20164 + 1825201 = 142^2 + 1351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1845365 - 2¹⁰ = 1844341 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (278775).

2^1845365 is an apocalyptic number.

It is an amenable number.

1845365 is a deficient number, since it is larger than the sum of its proper divisors (384835).

1845365 is a wasteful number, since it uses less digits than its factorization.

1845365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631.

The product of its digits is 14400, while the sum is 32.

The square root of 1845365 is about 1358.4421224329. The cubic root of 1845365 is about 122.6574956058.

The spelling of 1845365 in words is "one million, eight hundred forty-five thousand, three hundred sixty-five".