1844145 has 24 divisors (see below), whose sum is σ = 3234816. Its totient is φ = 971808.

The previous prime is 1844131. The next prime is 1844153. The reversal of 1844145 is 5414481.

It is a happy number.

It is not a de Polignac number, because 1844145 - 2⁸ = 1843889 is a prime.

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, 4624 + ... + 5006.

It is an arithmetic number, because the mean of its divisors is an integer number (134784).

2^1844145 is an apocalyptic number.

1844145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1844145 is a deficient number, since it is larger than the sum of its proper divisors (1390671).

1844145 is a wasteful number, since it uses less digits than its factorization.

1844145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 498 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1844145 is about 1357.9930044002. The cubic root of 1844145 is about 122.6304593766.

The spelling of 1844145 in words is "one million, eight hundred forty-four thousand, one hundred forty-five".