1143541403 has 2 divisors, whose sum is σ = 1143541404. Its totient is φ = 1143541402.

The previous prime is 1143541367. The next prime is 1143541411. The reversal of 1143541403 is 3041453411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143541403 - 2⁶ = 1143541339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1143541453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571770701 + 571770702.

It is an arithmetic number, because the mean of its divisors is an integer number (571770702).

Almost surely, 2^1143541403 is an apocalyptic number.

1143541403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143541403 is an equidigital number, since it uses as much as digits as its factorization.

1143541403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1143541403 is about 33816.2890187554. The cubic root of 1143541403 is about 1045.7245352738.

Adding to 1143541403 its reverse (3041453411), we get a palindrome (4184994814).

The spelling of 1143541403 in words is "one billion, one hundred forty-three million, five hundred forty-one thousand, four hundred three".