1143834748 has 24 divisors (see below), whose sum is σ = 2290718304. Its totient is φ = 489561600.

The previous prime is 1143834743. The next prime is 1143834763. The reversal of 1143834748 is 8474383411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143834743) by changing a digit.

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, 5533 + ... + 48148.

It is an arithmetic number, because the mean of its divisors is an integer number (95446596).

Almost surely, 2^1143834748 is an apocalyptic number.

It is an amenable number.

1143834748 is an abundant number, since it is smaller than the sum of its proper divisors (1146883556).

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

1143834748 is a wasteful number, since it uses less digits than its factorization.

1143834748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54453 (or 54451 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 1143834748 is about 33820.6260734481. The cubic root of 1143834748 is about 1045.8139451942.

The spelling of 1143834748 in words is "one billion, one hundred forty-three million, eight hundred thirty-four thousand, seven hundred forty-eight".