1157533132 has 12 divisors (see below), whose sum is σ = 2315066320. Its totient is φ = 496085616.

The previous prime is 1157533103. The next prime is 1157533141. The reversal of 1157533132 is 2313357511.

It is a happy number.

1157533132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1157533094 and 1157533103.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 20670207 + ... + 20670262.

Almost surely, 2^1157533132 is an apocalyptic number.

It is an amenable number.

1157533132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1157533132 is a wasteful number, since it uses less digits than its factorization.

1157533132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41340480 (or 41340478 counting only the distinct ones).

The product of its digits is 9450, while the sum is 31.

The square root of 1157533132 is about 34022.5385884122. The cubic root of 1157533132 is about 1049.9722236038.

The spelling of 1157533132 in words is "one billion, one hundred fifty-seven million, five hundred thirty-three thousand, one hundred thirty-two".