1802144 has 24 divisors (see below), whose sum is σ = 3578400. Its totient is φ = 893376.

The previous prime is 1802137. The next prime is 1802149. The reversal of 1802144 is 4412081.

It is not an unprimeable number, because it can be changed into a prime (1802149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6227 + ... + 6509.

It is an arithmetic number, because the mean of its divisors is an integer number (149100).

2^1802144 is an apocalyptic number.

It is an amenable number.

1802144 is a deficient number, since it is larger than the sum of its proper divisors (1776256).

1802144 is a wasteful number, since it uses less digits than its factorization.

1802144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1802144 is about 1342.4395703345. The cubic root of 1802144 is about 121.6923179376.

The spelling of 1802144 in words is "one million, eight hundred two thousand, one hundred forty-four".