1143141156 has 54 divisors (see below), whose sum is σ = 3049730502. Its totient is φ = 360987840.

The previous prime is 1143141127. The next prime is 1143141173. The reversal of 1143141156 is 6511413411.

It can be written as a sum of positive squares in only one way, i.e., 623301156 + 519840000 = 24966^2 + 22800^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30985 + ... + 56976.

Almost surely, 2^1143141156 is an apocalyptic number.

It is an amenable number.

1143141156 is an abundant number, since it is smaller than the sum of its proper divisors (1906589346).

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

1143141156 is a wasteful number, since it uses less digits than its factorization.

1143141156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88009 (or 87985 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 1143141156 is about 33810.3705392295. The cubic root of 1143141156 is about 1045.6025175524.

Adding to 1143141156 its reverse (6511413411), we get a palindrome (7654554567).

The spelling of 1143141156 in words is "one billion, one hundred forty-three million, one hundred forty-one thousand, one hundred fifty-six".