1144580 has 24 divisors (see below), whose sum is σ = 2425920. Its totient is φ = 453600.

The previous prime is 1144573. The next prime is 1144589. The reversal of 1144580 is 854411.

It is not an unprimeable number, because it can be changed into a prime (1144589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2831 + ... + 3209.

It is an arithmetic number, because the mean of its divisors is an integer number (101080).

2^1144580 is an apocalyptic number.

1144580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144580 is an abundant number, since it is smaller than the sum of its proper divisors (1281340).

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

1144580 is a wasteful number, since it uses less digits than its factorization.

1144580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1144580 is about 1069.8504568396. The cubic root of 1144580 is about 104.6041025119.

Adding to 1144580 its reverse (854411), we get a palindrome (1998991).

The spelling of 1144580 in words is "one million, one hundred forty-four thousand, five hundred eighty".