1143340157 has 2 divisors, whose sum is σ = 1143340158. Its totient is φ = 1143340156.

The previous prime is 1143340153. The next prime is 1143340217. The reversal of 1143340157 is 7510433411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1090254361 + 53085796 = 33019^2 + 7286^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143340157 - 2² = 1143340153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143340153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571670078 + 571670079.

It is an arithmetic number, because the mean of its divisors is an integer number (571670079).

Almost surely, 2^1143340157 is an apocalyptic number.

It is an amenable number.

1143340157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143340157 is an equidigital number, since it uses as much as digits as its factorization.

1143340157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1143340157 is about 33813.3133099967. The cubic root of 1143340157 is about 1045.6631877716.

Adding to 1143340157 its reverse (7510433411), we get a palindrome (8653773568).

The spelling of 1143340157 in words is "one billion, one hundred forty-three million, three hundred forty thousand, one hundred fifty-seven".