1143252352 has 128 divisors (see below), whose sum is σ = 2656177920. Its totient is φ = 484915200.

The previous prime is 1143252281. The next prime is 1143252359. The reversal of 1143252352 is 2532523411.

It is a tau number, because it is divible by the number of its divisors (128).

Its product of digits (7200) is a multiple of the sum of its prime divisors (900).

It is a self number, because there is not a number n which added to its sum of digits gives 1143252352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143252359) 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, 1392102 + ... + 1392922.

It is an arithmetic number, because the mean of its divisors is an integer number (20751390).

Almost surely, 2^1143252352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143252352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1328088960).

1143252352 is an abundant number, since it is smaller than the sum of its proper divisors (1512925568).

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

1143252352 is a wasteful number, since it uses less digits than its factorization.

1143252352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 900 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 1143252352 is about 33812.0149059473. The cubic root of 1143252352 is about 1045.6364191831.

Adding to 1143252352 its reverse (2532523411), we get a palindrome (3675775763).

The spelling of 1143252352 in words is "one billion, one hundred forty-three million, two hundred fifty-two thousand, three hundred fifty-two".