1143202005 has 96 divisors (see below), whose sum is σ = 2339850240. Its totient is φ = 530038080.

The previous prime is 1143202003. The next prime is 1143202033. The reversal of 1143202005 is 5002023411.

It is not a de Polignac number, because 1143202005 - 2¹ = 1143202003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143202003) 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 in 95 ways as a sum of consecutive naturals, for example, 305536 + ... + 309254.

It is an arithmetic number, because the mean of its divisors is an integer number (24373440).

Almost surely, 2^1143202005 is an apocalyptic number.

1143202005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1143202005 is an abundant number, since it is smaller than the sum of its proper divisors (1196648235).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143202005 is a wasteful number, since it uses less digits than its factorization.

1143202005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773 (or 3761 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1143202005 is about 33811.2703842964. The cubic root of 1143202005 is about 1045.6210695741.

Adding to 1143202005 its reverse (5002023411), we get a palindrome (6145225416).

The spelling of 1143202005 in words is "one billion, one hundred forty-three million, two hundred two thousand, five".