1156442052 has 24 divisors (see below), whose sum is σ = 2699264736. Its totient is φ = 385352128.

The previous prime is 1156442041. The next prime is 1156442057. The reversal of 1156442052 is 2502446511.

It is not an unprimeable number, because it can be changed into a prime (1156442057) 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 in 7 ways as a sum of consecutive naturals, for example, 25768 + ... + 54560.

It is an arithmetic number, because the mean of its divisors is an integer number (112469364).

Almost surely, 2^1156442052 is an apocalyptic number.

1156442052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1156442052 is an abundant number, since it is smaller than the sum of its proper divisors (1542822684).

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

1156442052 is a wasteful number, since it uses less digits than its factorization.

1156442052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32147 (or 32145 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1156442052 is about 34006.5001433549. The cubic root of 1156442052 is about 1049.6422218683.

Adding to 1156442052 its reverse (2502446511), we get a palindrome (3658888563).

The spelling of 1156442052 in words is "one billion, one hundred fifty-six million, four hundred forty-two thousand, fifty-two".