1158308452 has 18 divisors (see below), whose sum is σ = 2357985462. Its totient is φ = 496417824.

The previous prime is 1158308441. The next prime is 1158308461. The reversal of 1158308452 is 2548038511.

It can be written as a sum of positive squares in only one way, i.e., 1125199936 + 33108516 = 33544^2 + 5754^2 .

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 2954673 + ... + 2955064.

Almost surely, 2^1158308452 is an apocalyptic number.

It is an amenable number.

1158308452 is an abundant number, since it is smaller than the sum of its proper divisors (1199677010).

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

1158308452 is a wasteful number, since it uses less digits than its factorization.

1158308452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909755 (or 5909746 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 1158308452 is about 34033.9308925666. The cubic root of 1158308452 is about 1050.2065963848.

The spelling of 1158308452 in words is "one billion, one hundred fifty-eight million, three hundred eight thousand, four hundred fifty-two".