1143029160 has 768 divisors, whose sum is σ = 5019356160. Its totient is φ = 218972160.

The previous prime is 1143029159. The next prime is 1143029161. The reversal of 1143029160 is 619203411.

It is an interprime number because it is at equal distance from previous prime (1143029159) and next prime (1143029161).

It is a super-2 number, since 2×1143029160² = 2613031321220611200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1143029161) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 27878740 + ... + 27878780.

It is an arithmetic number, because the mean of its divisors is an integer number (6535620).

Almost surely, 2^1143029160 is an apocalyptic number.

1143029160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143029160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2509678080).

1143029160 is an abundant number, since it is smaller than the sum of its proper divisors (3876327000).

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

1143029160 is a wasteful number, since it uses less digits than its factorization.

1143029160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1143029160 is about 33808.7142612670. The cubic root of 1143029160 is about 1045.5683697940.

The spelling of 1143029160 in words is "one billion, one hundred forty-three million, twenty-nine thousand, one hundred sixty".