1143151216 has 20 divisors (see below), whose sum is σ = 2266365112. Its totient is φ = 558282816.

The previous prime is 1143151201. The next prime is 1143151231. The reversal of 1143151216 is 6121513411.

It is an interprime number because it is at equal distance from previous prime (1143151201) and next prime (1143151231).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830091 + ... + 831466.

Almost surely, 2^1143151216 is an apocalyptic number.

1143151216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1143151216 is a deficient number, since it is larger than the sum of its proper divisors (1123213896).

1143151216 is a wasteful number, since it uses less digits than its factorization.

1143151216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661608 (or 1661602 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 1143151216 is about 33810.5193098243. The cubic root of 1143151216 is about 1045.6055847532.

Adding to 1143151216 its reverse (6121513411), we get a palindrome (7264664627).

The spelling of 1143151216 in words is "one billion, one hundred forty-three million, one hundred fifty-one thousand, two hundred sixteen".