1143342432 has 96 divisors (see below), whose sum is σ = 3340713600. Its totient is φ = 380433024.

The previous prime is 1143342419. The next prime is 1143342449. The reversal of 1143342432 is 2342433411.

It is a tau number, because it is divible by the number of its divisors (96).

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 junction number, because it is equal to n+sod(n) for n = 1143342396 and 1143342405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782919 + ... + 784377.

It is an arithmetic number, because the mean of its divisors is an integer number (34799100).

Almost surely, 2^1143342432 is an apocalyptic number.

1143342432 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 1143342432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1670356800).

1143342432 is an abundant number, since it is smaller than the sum of its proper divisors (2197371168).

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

1143342432 is a wasteful number, since it uses less digits than its factorization.

1143342432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385 (or 2371 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1143342432 is about 33813.3469505756. The cubic root of 1143342432 is about 1045.6638813191.

Adding to 1143342432 its reverse (2342433411), we get a palindrome (3485775843).

The spelling of 1143342432 in words is "one billion, one hundred forty-three million, three hundred forty-two thousand, four hundred thirty-two".