1143528 has 64 divisors (see below), whose sum is σ = 3110400. Its totient is φ = 349440.

The previous prime is 1143487. The next prime is 1143529. The reversal of 1143528 is 8253411.

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

It is a d-powerful number, because it can be written as 1 + 1 + 4¹⁰ + 3¹⁰ + 5⁵ + 2¹⁵ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 1143498 and 1143507.

It is not an unprimeable number, because it can be changed into a prime (1143529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21550 + ... + 21602.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2^1143528 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 1143528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555200).

1143528 is an abundant number, since it is smaller than the sum of its proper divisors (1966872).

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

1143528 is a wasteful number, since it uses less digits than its factorization.

1143528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 118 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 1143528 is about 1069.3586863162. The cubic root of 1143528 is about 104.5720449749.

Adding to 1143528 its reverse (8253411), we get a palindrome (9396939).

The spelling of 1143528 in words is "one million, one hundred forty-three thousand, five hundred twenty-eight".