1143469824 has 144 divisors (see below), whose sum is σ = 3497104128. Its totient is φ = 324919296.

The previous prime is 1143469729. The next prime is 1143469897. The reversal of 1143469824 is 4289643411.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1219884 + ... + 1220820.

Almost surely, 2^1143469824 is an apocalyptic number.

1143469824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143469824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748552064).

1143469824 is an abundant number, since it is smaller than the sum of its proper divisors (2353634304).

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

1143469824 is an equidigital number, since it uses as much as digits as its factorization.

1143469824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1176 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 1143469824 is about 33815.2306512908. The cubic root of 1143469824 is about 1045.7027160731.

The spelling of 1143469824 in words is "one billion, one hundred forty-three million, four hundred sixty-nine thousand, eight hundred twenty-four".