1143882582 has 16 divisors (see below), whose sum is σ = 2288424960. Its totient is φ = 381184232.

The previous prime is 1143882577. The next prime is 1143882589. The reversal of 1143882582 is 2852883411.

It is a super-2 number, since 2×1143882582² = 2616934722805973448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143882589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3318 + ... + 47945.

It is an arithmetic number, because the mean of its divisors is an integer number (143026560).

Almost surely, 2^1143882582 is an apocalyptic number.

1143882582 is an abundant number, since it is smaller than the sum of its proper divisors (1144542378).

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

1143882582 is a wasteful number, since it uses less digits than its factorization.

1143882582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54987.

The product of its digits is 122880, while the sum is 42.

The square root of 1143882582 is about 33821.3332380614. Note that the first 3 decimals coincide. The cubic root of 1143882582 is about 1045.8285232810.

The spelling of 1143882582 in words is "one billion, one hundred forty-three million, eight hundred eighty-two thousand, five hundred eighty-two".