1143100535 has 4 divisors (see below), whose sum is σ = 1371720648. Its totient is φ = 914480424.

The previous prime is 1143100513. The next prime is 1143100573. The reversal of 1143100535 is 5350013411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1143100535 - 2²² = 1138906231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143100535.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 114310049 + ... + 114310058.

It is an arithmetic number, because the mean of its divisors is an integer number (342930162).

Almost surely, 2^1143100535 is an apocalyptic number.

1143100535 is a deficient number, since it is larger than the sum of its proper divisors (228620113).

1143100535 is an equidigital number, since it uses as much as digits as its factorization.

1143100535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228620112.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1143100535 is about 33809.7698158387. The cubic root of 1143100535 is about 1045.5901324027.

Adding to 1143100535 its reverse (5350013411), we get a palindrome (6493113946).

The spelling of 1143100535 in words is "one billion, one hundred forty-three million, one hundred thousand, five hundred thirty-five".