1143103534 has 12 divisors (see below), whose sum is σ = 1757501352. Its totient is φ = 557609840.

The previous prime is 1143103531. The next prime is 1143103541. The reversal of 1143103534 is 4353013411.

It is a junction number, because it is equal to n+sod(n) for n = 1143103499 and 1143103508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143103531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166642 + ... + 173365.

It is an arithmetic number, because the mean of its divisors is an integer number (146458446).

Almost surely, 2^1143103534 is an apocalyptic number.

1143103534 is a deficient number, since it is larger than the sum of its proper divisors (614397818).

1143103534 is an equidigital number, since it uses as much as digits as its factorization.

1143103534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340091 (or 340050 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1143103534 is about 33809.8141668954. The cubic root of 1143103534 is about 1045.5910467936.

Adding to 1143103534 its reverse (4353013411), we get a palindrome (5496116945).

The spelling of 1143103534 in words is "one billion, one hundred forty-three million, one hundred three thousand, five hundred thirty-four".