1144744 has 8 divisors (see below), whose sum is σ = 2146410. Its totient is φ = 572368.

The previous prime is 1144739. The next prime is 1144757. The reversal of 1144744 is 4474411.

It can be written as a sum of positive squares in only one way, i.e., 1127844 + 16900 = 1062^2 + 130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 71539 + ... + 71554.

2^1144744 is an apocalyptic number.

It is an amenable number.

1144744 is a deficient number, since it is larger than the sum of its proper divisors (1001666).

1144744 is a wasteful number, since it uses less digits than its factorization.

1144744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143099 (or 143095 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 1144744 is about 1069.9271003204. The cubic root of 1144744 is about 104.6090983047.

The spelling of 1144744 in words is "one million, one hundred forty-four thousand, seven hundred forty-four".