1145824 has 24 divisors (see below), whose sum is σ = 2296728. Its totient is φ = 562560.

The previous prime is 1145803. The next prime is 1145831. The reversal of 1145824 is 4285411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659 + ... + 2245.

It is an arithmetic number, because the mean of its divisors is an integer number (95697).

2^1145824 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 1145824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148364).

1145824 is an abundant number, since it is smaller than the sum of its proper divisors (1150904).

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

1145824 is an equidigital number, since it uses as much as digits as its factorization.

1145824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 650 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 1145824 is about 1070.4316886191. The cubic root of 1145824 is about 104.6419855166.

The spelling of 1145824 in words is "one million, one hundred forty-five thousand, eight hundred twenty-four".