1158466312 has 8 divisors (see below), whose sum is σ = 2172124350. Its totient is φ = 579233152.

The previous prime is 1158466289. The next prime is 1158466313. The reversal of 1158466312 is 2136648511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 654643396 + 503822916 = 25586^2 + 22446^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1158466313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72404137 + ... + 72404152.

Almost surely, 2^1158466312 is an apocalyptic number.

It is an amenable number.

1158466312 is a deficient number, since it is larger than the sum of its proper divisors (1013658038).

1158466312 is a wasteful number, since it uses less digits than its factorization.

1158466312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144808295 (or 144808291 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 1158466312 is about 34036.2499697014. The cubic root of 1158466312 is about 1050.2543033326.

The spelling of 1158466312 in words is "one billion, one hundred fifty-eight million, four hundred sixty-six thousand, three hundred twelve".