1143023152 has 40 divisors (see below), whose sum is σ = 2349264816. Its totient is φ = 536887296.

The previous prime is 1143023143. The next prime is 1143023153. The reversal of 1143023152 is 2513203411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1143023153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153303 + ... + 160585.

Almost surely, 2^1143023152 is an apocalyptic number.

It is an amenable number.

1143023152 is an abundant number, since it is smaller than the sum of its proper divisors (1206241664).

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

1143023152 is a wasteful number, since it uses less digits than its factorization.

1143023152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7885 (or 7879 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1143023152 is about 33808.6254083185. The cubic root of 1143023152 is about 1045.5665378822.

Adding to 1143023152 its reverse (2513203411), we get a palindrome (3656226563).

The spelling of 1143023152 in words is "one billion, one hundred forty-three million, twenty-three thousand, one hundred fifty-two".