1143343025 has 12 divisors (see below), whose sum is σ = 1546631664. Its totient is φ = 831522000.

The previous prime is 1143343013. The next prime is 1143343051. The reversal of 1143343025 is 5203433411.

It is not a de Polignac number, because 1143343025 - 2¹⁰ = 1143342001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143342985 and 1143343003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2078531 + ... + 2079080.

It is an arithmetic number, because the mean of its divisors is an integer number (128885972).

Almost surely, 2^1143343025 is an apocalyptic number.

It is an amenable number.

1143343025 is a deficient number, since it is larger than the sum of its proper divisors (403288639).

1143343025 is a wasteful number, since it uses less digits than its factorization.

1143343025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157632 (or 4157627 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1143343025 is about 33813.3557193012. The cubic root of 1143343025 is about 1045.6640620986.

Adding to 1143343025 its reverse (5203433411), we get a palindrome (6346776436).

The spelling of 1143343025 in words is "one billion, one hundred forty-three million, three hundred forty-three thousand, twenty-five".