1154323532 has 6 divisors (see below), whose sum is σ = 2020066188. Its totient is φ = 577161764.

The previous prime is 1154323529. The next prime is 1154323559. The reversal of 1154323532 is 2353234511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1154323495 and 1154323504.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 144290438 + ... + 144290445.

It is an arithmetic number, because the mean of its divisors is an integer number (336677698).

Almost surely, 2^1154323532 is an apocalyptic number.

It is an amenable number.

1154323532 is a deficient number, since it is larger than the sum of its proper divisors (865742656).

1154323532 is a wasteful number, since it uses less digits than its factorization.

1154323532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288580887 (or 288580885 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 1154323532 is about 33975.3371138536. The cubic root of 1154323532 is about 1049.0008733173. Note that the first 3 decimals are identical.

The spelling of 1154323532 in words is "one billion, one hundred fifty-four million, three hundred twenty-three thousand, five hundred thirty-two".