1144488 has 32 divisors (see below), whose sum is σ = 2930400. Its totient is φ = 372288.

The previous prime is 1144483. The next prime is 1144499. The reversal of 1144488 is 8844411.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1144483) 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, 478 + ... + 1586.

It is an arithmetic number, because the mean of its divisors is an integer number (91575).

2^1144488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1465200).

1144488 is an abundant number, since it is smaller than the sum of its proper divisors (1785912).

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

1144488 is a wasteful number, since it uses less digits than its factorization.

1144488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1157 counting only the distinct ones).

The product of its digits is 4096, while the sum is 30.

The square root of 1144488 is about 1069.8074593122. The cubic root of 1144488 is about 104.6012997851.

Adding to 1144488 its reverse (8844411), we get a palindrome (9988899).

The spelling of 1144488 in words is "one million, one hundred forty-four thousand, four hundred eighty-eight".