1144655 has 8 divisors (see below), whose sum is σ = 1446000. Its totient is φ = 867456.

The previous prime is 1144643. The next prime is 1144657. The reversal of 1144655 is 5564411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144655 - 2⁸ = 1144399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144657) 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 7 ways as a sum of consecutive naturals, for example, 5930 + ... + 6119.

It is an arithmetic number, because the mean of its divisors is an integer number (180750).

2^1144655 is an apocalyptic number.

1144655 is a deficient number, since it is larger than the sum of its proper divisors (301345).

1144655 is a wasteful number, since it uses less digits than its factorization.

1144655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12073.

The product of its digits is 2400, while the sum is 26.

The square root of 1144655 is about 1069.8855078933. The cubic root of 1144655 is about 104.6063872325.

The spelling of 1144655 in words is "one million, one hundred forty-four thousand, six hundred fifty-five".