1143453432 has 64 divisors (see below), whose sum is σ = 3136060800. Its totient is φ = 344551040.

The previous prime is 1143453431. The next prime is 1143453433. The reversal of 1143453432 is 2343543411.

1143453432 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1143453431) and next prime (1143453433).

It is a self number, because there is not a number n which added to its sum of digits gives 1143453432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143453431) 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, 35158 + ... + 59354.

It is an arithmetic number, because the mean of its divisors is an integer number (49000950).

Almost surely, 2^1143453432 is an apocalyptic number.

1143453432 is a gapful number since it is divisible by the number (12) 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 1143453432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568030400).

1143453432 is an abundant number, since it is smaller than the sum of its proper divisors (1992607368).

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

1143453432 is a wasteful number, since it uses less digits than its factorization.

1143453432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24396 (or 24392 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 1143453432 is about 33814.9882744324. The cubic root of 1143453432 is about 1045.6977192233.

Adding to 1143453432 its reverse (2343543411), we get a palindrome (3486996843).

The spelling of 1143453432 in words is "one billion, one hundred forty-three million, four hundred fifty-three thousand, four hundred thirty-two".