1143473232 has 60 divisors (see below), whose sum is σ = 3246944960. Its totient is φ = 346505280.

The previous prime is 1143473209. The next prime is 1143473237. The reversal of 1143473232 is 2323743411.

It is a self number, because there is not a number n which added to its sum of digits gives 1143473232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143473237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92632 + ... + 104247.

Almost surely, 2^1143473232 is an apocalyptic number.

1143473232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143473232 is an abundant number, since it is smaller than the sum of its proper divisors (2103471728).

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

1143473232 is a wasteful number, since it uses less digits than its factorization.

1143473232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196912 (or 196895 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 1143473232 is about 33815.2810427475. The cubic root of 1143473232 is about 1045.7037549436.

It can be divided in two parts, 11434 and 73232, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 1143473232 in words is "one billion, one hundred forty-three million, four hundred seventy-three thousand, two hundred thirty-two".