1157329528 has 8 divisors (see below), whose sum is σ = 2169992880. Its totient is φ = 578664760.

The previous prime is 1157329483. The next prime is 1157329529. The reversal of 1157329528 is 8259237511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157329529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72333088 + ... + 72333103.

It is an arithmetic number, because the mean of its divisors is an integer number (271249110).

Almost surely, 2^1157329528 is an apocalyptic number.

It is an amenable number.

1157329528 is a deficient number, since it is larger than the sum of its proper divisors (1012663352).

1157329528 is a wasteful number, since it uses less digits than its factorization.

1157329528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144666197 (or 144666193 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 1157329528 is about 34019.5462638760. The cubic root of 1157329528 is about 1049.9106584604.

The spelling of 1157329528 in words is "one billion, one hundred fifty-seven million, three hundred twenty-nine thousand, five hundred twenty-eight".