1143241245 has 48 divisors (see below), whose sum is σ = 2101619520. Its totient is φ = 572923392.

The previous prime is 1143241237. The next prime is 1143241303. The reversal of 1143241245 is 5421423411.

It is not a de Polignac number, because 1143241245 - 2³ = 1143241237 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 907426 + ... + 908684.

It is an arithmetic number, because the mean of its divisors is an integer number (43783740).

Almost surely, 2^1143241245 is an apocalyptic number.

1143241245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1143241245 is a deficient number, since it is larger than the sum of its proper divisors (958378275).

1143241245 is a wasteful number, since it uses less digits than its factorization.

1143241245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474 (or 2471 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1143241245 is about 33811.8506591994. The cubic root of 1143241245 is about 1045.6330329603.

Adding to 1143241245 its reverse (5421423411), we get a palindrome (6564664656).

The spelling of 1143241245 in words is "one billion, one hundred forty-three million, two hundred forty-one thousand, two hundred forty-five".