1143140430 has 16 divisors (see below), whose sum is σ = 2743537104. Its totient is φ = 304837440.

The previous prime is 1143140429. The next prime is 1143140513. The reversal of 1143140430 is 340413411.

It is a junction number, because it is equal to n+sod(n) for n = 1143140397 and 1143140406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19052311 + ... + 19052370.

It is an arithmetic number, because the mean of its divisors is an integer number (171471069).

Almost surely, 2^1143140430 is an apocalyptic number.

1143140430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143140430 is an abundant number, since it is smaller than the sum of its proper divisors (1600396674).

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

1143140430 is a wasteful number, since it uses less digits than its factorization.

1143140430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38104691.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1143140430 is about 33810.3598028770. The cubic root of 1143140430 is about 1045.6022962010.

Adding to 1143140430 its reverse (340413411), we get a palindrome (1483553841).

The spelling of 1143140430 in words is "one billion, one hundred forty-three million, one hundred forty thousand, four hundred thirty".