1147159248 has 80 divisors (see below), whose sum is σ = 3075428160. Its totient is φ = 368160768.

The previous prime is 1147159187. The next prime is 1147159249. The reversal of 1147159248 is 8429517411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147159249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168943 + ... + 175601.

It is an arithmetic number, because the mean of its divisors is an integer number (38442852).

Almost surely, 2^1147159248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147159248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1537714080).

1147159248 is an abundant number, since it is smaller than the sum of its proper divisors (1928268912).

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

1147159248 is a wasteful number, since it uses less digits than its factorization.

1147159248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804 (or 6798 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 1147159248 is about 33869.7394144094. The cubic root of 1147159248 is about 1046.8261676047.

The spelling of 1147159248 in words is "one billion, one hundred forty-seven million, one hundred fifty-nine thousand, two hundred forty-eight".