1143301338 has 32 divisors (see below), whose sum is σ = 2541873600. Its totient is φ = 380919888.

The previous prime is 1143301303. The next prime is 1143301363. The reversal of 1143301338 is 8331033411.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 159520 + ... + 166532.

It is an arithmetic number, because the mean of its divisors is an integer number (79433550).

Almost surely, 2^1143301338 is an apocalyptic number.

1143301338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1143301338 is an abundant number, since it is smaller than the sum of its proper divisors (1398572262).

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

1143301338 is a wasteful number, since it uses less digits than its factorization.

1143301338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10043 (or 10037 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1143301338 is about 33812.7392856598. The cubic root of 1143301338 is about 1045.6513534228.

Adding to 1143301338 its reverse (8331033411), we get a palindrome (9474334749).

The spelling of 1143301338 in words is "one billion, one hundred forty-three million, three hundred one thousand, three hundred thirty-eight".