1143234500 has 24 divisors (see below), whose sum is σ = 2496825240. Its totient is φ = 457293600.

The previous prime is 1143234457. The next prime is 1143234557. The reversal of 1143234500 is 54323411.

It can be written as a sum of positive squares in 4 ways, for example, as 126517504 + 1016716996 = 11248^2 + 31886^2 .

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 7 ways as a sum of consecutive naturals, for example, 1142735 + ... + 1143734.

It is an arithmetic number, because the mean of its divisors is an integer number (104034385).

Almost surely, 2^1143234500 is an apocalyptic number.

1143234500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143234500 is an abundant number, since it is smaller than the sum of its proper divisors (1353590740).

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

1143234500 is a wasteful number, since it uses less digits than its factorization.

1143234500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286488 (or 2286476 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1143234500 is about 33811.7509159168. The cubic root of 1143234500 is about 1045.6309765823.

Adding to 1143234500 its reverse (54323411), we get a palindrome (1197557911).

The spelling of 1143234500 in words is "one billion, one hundred forty-three million, two hundred thirty-four thousand, five hundred".