2144768 has 40 divisors (see below), whose sum is σ = 4419360. Its totient is φ = 1039360.

The previous prime is 2144759. The next prime is 2144783. The reversal of 2144768 is 8674412.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30173 + ... + 30243.

It is an arithmetic number, because the mean of its divisors is an integer number (110484).

2^2144768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2209680).

2144768 is an abundant number, since it is smaller than the sum of its proper divisors (2274592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144768 is an frugal number, since it uses more digits than its factorization.

2144768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 132 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 2144768 is about 1464.5026459519. The cubic root of 2144768 is about 128.9615092583.

The spelling of 2144768 in words is "two million, one hundred forty-four thousand, seven hundred sixty-eight".