1143242424 has 40 divisors (see below), whose sum is σ = 3202139160. Its totient is φ = 381080592.

The previous prime is 1143242413. The next prime is 1143242473. The reversal of 1143242424 is 4242423411.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 881484 + ... + 882779.

It is an arithmetic number, because the mean of its divisors is an integer number (80053479).

Almost surely, 2^1143242424 is an apocalyptic number.

It is an amenable number.

1143242424 is an abundant number, since it is smaller than the sum of its proper divisors (2058896736).

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

1143242424 is a wasteful number, since it uses less digits than its factorization.

1143242424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764281 (or 1764268 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1143242424 is about 33811.8680939105. The cubic root of 1143242424 is about 1045.6333924065.

Adding to 1143242424 its reverse (4242423411), we get a palindrome (5385665835).

The spelling of 1143242424 in words is "one billion, one hundred forty-three million, two hundred forty-two thousand, four hundred twenty-four".