1144536 has 32 divisors (see below), whose sum is σ = 2895360. Its totient is φ = 376992.

The previous prime is 1144529. The next prime is 1144537. The reversal of 1144536 is 6354411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144537) 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 7 ways as a sum of consecutive naturals, for example, 2241 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (90480).

2^1144536 is an apocalyptic number.

1144536 is the 618-th octagonal number.

It is an amenable number.

1144536 is an abundant number, since it is smaller than the sum of its proper divisors (1750824).

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

1144536 is a wasteful number, since it uses less digits than its factorization.

1144536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 571 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 1144536 is about 1069.8298930204. The cubic root of 1144536 is about 104.6027620961.

Adding to 1144536 its reverse (6354411), we get a palindrome (7498947).

The spelling of 1144536 in words is "one million, one hundred forty-four thousand, five hundred thirty-six".