1143401108 has 6 divisors (see below), whose sum is σ = 2000951946. Its totient is φ = 571700552.

The previous prime is 1143401053. The next prime is 1143401131. The reversal of 1143401108 is 8011043411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1058981764 + 84419344 = 32542^2 + 9188^2 .

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 as a sum of consecutive naturals, namely, 142925135 + ... + 142925142.

It is an arithmetic number, because the mean of its divisors is an integer number (333491991).

Almost surely, 2^1143401108 is an apocalyptic number.

It is an amenable number.

1143401108 is a deficient number, since it is larger than the sum of its proper divisors (857550838).

1143401108 is a wasteful number, since it uses less digits than its factorization.

1143401108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285850281 (or 285850279 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1143401108 is about 33814.2145849937. The cubic root of 1143401108 is about 1045.6817687349.

Adding to 1143401108 its reverse (8011043411), we get a palindrome (9154444519).

The spelling of 1143401108 in words is "one billion, one hundred forty-three million, four hundred one thousand, one hundred eight".