1143430000 has 50 divisors (see below), whose sum is σ = 2768382584. Its totient is φ = 457368000.

The previous prime is 1143429997. The next prime is 1143430007. The reversal of 1143430000 is 343411.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143430007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 47172 + ... + 67171.

Almost surely, 2^1143430000 is an apocalyptic number.

1143430000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143430000 is an abundant number, since it is smaller than the sum of its proper divisors (1624952584).

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

1143430000 is an equidigital number, since it uses as much as digits as its factorization.

1143430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114371 (or 114350 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1143430000 is about 33814.6417990787. The cubic root of 1143430000 is about 1045.6905762545.

Adding to 1143430000 its reverse (343411), we get a palindrome (1143773411).

The spelling of 1143430000 in words is "one billion, one hundred forty-three million, four hundred thirty thousand".