1143030530 has 16 divisors (see below), whose sum is σ = 2178482040. Its totient is φ = 430317312.

The previous prime is 1143030527. The next prime is 1143030583. The reversal of 1143030530 is 350303411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 666001249 + 477029281 = 25807^2 + 21841^2 .

It is a Curzon 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, 3361685 + ... + 3362024.

Almost surely, 2^1143030530 is an apocalyptic number.

1143030530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143030530 is a deficient number, since it is larger than the sum of its proper divisors (1035451510).

1143030530 is a wasteful number, since it uses less digits than its factorization.

1143030530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723733.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1143030530 is about 33808.7345223095. The cubic root of 1143030530 is about 1045.5687875226.

Adding to 1143030530 its reverse (350303411), we get a palindrome (1493333941).

The spelling of 1143030530 in words is "one billion, one hundred forty-three million, thirty thousand, five hundred thirty".