1157148832 has 48 divisors (see below), whose sum is σ = 2614876992. Its totient is φ = 493770240.

The previous prime is 1157148829. The next prime is 1157148851. The reversal of 1157148832 is 2388417511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41107 + ... + 63277.

It is an arithmetic number, because the mean of its divisors is an integer number (54476604).

Almost surely, 2^1157148832 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 1157148832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307438496).

1157148832 is an abundant number, since it is smaller than the sum of its proper divisors (1457728160).

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

1157148832 is a wasteful number, since it uses less digits than its factorization.

1157148832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22421 (or 22413 counting only the distinct ones).

The product of its digits is 53760, while the sum is 40.

The square root of 1157148832 is about 34016.8903928622. The cubic root of 1157148832 is about 1049.8560141186.

The spelling of 1157148832 in words is "one billion, one hundred fifty-seven million, one hundred forty-eight thousand, eight hundred thirty-two".