1144738 has 12 divisors (see below), whose sum is σ = 1997622. Its totient is φ = 490560.

The previous prime is 1144727. The next prime is 1144739. The reversal of 1144738 is 8374411.

It can be written as a sum of positive squares in only one way, i.e., 974169 + 170569 = 987^2 + 413^2 .

It is not an unprimeable number, because it can be changed into a prime (1144739) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5743 + ... + 5938.

2^1144738 is an apocalyptic number.

1144738 is a deficient number, since it is larger than the sum of its proper divisors (852884).

1144738 is a wasteful number, since it uses less digits than its factorization.

1144738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11697 (or 11690 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 1144738 is about 1069.9242963874. The cubic root of 1144738 is about 104.6089155402.

It can be divided in two parts, 114473 and 8, that added together give a triangular number (114481 = T₄₇₈).

The spelling of 1144738 in words is "one million, one hundred forty-four thousand, seven hundred thirty-eight".