1143043147 has 2 divisors, whose sum is σ = 1143043148. Its totient is φ = 1143043146.

The previous prime is 1143043133. The next prime is 1143043171. The reversal of 1143043147 is 7413403411.

It is a weak prime.

It is an emirp because it is prime and its reverse (7413403411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143043147 - 2⁷ = 1143043019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143043117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571521573 + 571521574.

It is an arithmetic number, because the mean of its divisors is an integer number (571521574).

Almost surely, 2^1143043147 is an apocalyptic number.

1143043147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143043147 is an equidigital number, since it uses as much as digits as its factorization.

1143043147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1143043147 is about 33808.9211155872. The cubic root of 1143043147 is about 1045.5726345744.

Adding to 1143043147 its reverse (7413403411), we get a palindrome (8556446558).

The spelling of 1143043147 in words is "one billion, one hundred forty-three million, forty-three thousand, one hundred forty-seven".