1144816 has 10 divisors (see below), whose sum is σ = 2218112. Its totient is φ = 572400.

The previous prime is 1144783. The next prime is 1144823. The reversal of 1144816 is 6184411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35760 + ... + 35791.

2^1144816 is an apocalyptic number.

1144816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1144816 is a deficient number, since it is larger than the sum of its proper divisors (1073296).

1144816 is an equidigital number, since it uses as much as digits as its factorization.

1144816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71559 (or 71553 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 1144816 is about 1069.9607469436. The cubic root of 1144816 is about 104.6112914289.

The spelling of 1144816 in words is "one million, one hundred forty-four thousand, eight hundred sixteen".