1143151065 has 24 divisors (see below), whose sum is σ = 2264528448. Its totient is φ = 522583200.

The previous prime is 1143151021. The next prime is 1143151073. The reversal of 1143151065 is 5601513411.

1143151065 is a `hidden beast` number, since 1 + 143 + 1 + 510 + 6 + 5 = 666.

It is not a de Polignac number, because 1143151065 - 2⁸ = 1143150809 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 1814211 + ... + 1814840.

It is an arithmetic number, because the mean of its divisors is an integer number (94355352).

Almost surely, 2^1143151065 is an apocalyptic number.

1143151065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1143151065 is a deficient number, since it is larger than the sum of its proper divisors (1121377383).

1143151065 is a wasteful number, since it uses less digits than its factorization.

1143151065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629069 (or 3629066 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1143151065 is about 33810.5170767914. The cubic root of 1143151065 is about 1045.6055387148.

Adding to 1143151065 its reverse (5601513411), we get a palindrome (6744664476).

The spelling of 1143151065 in words is "one billion, one hundred forty-three million, one hundred fifty-one thousand, sixty-five".