1158245412 has 24 divisors (see below), whose sum is σ = 2735136096. Its totient is φ = 381429888.

The previous prime is 1158245399. The next prime is 1158245423. The reversal of 1158245412 is 2145428511.

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 7 ways as a sum of consecutive naturals, for example, 580453 + ... + 582444.

It is an arithmetic number, because the mean of its divisors is an integer number (113964004).

Almost surely, 2^1158245412 is an apocalyptic number.

1158245412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1158245412 is an abundant number, since it is smaller than the sum of its proper divisors (1576890684).

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

1158245412 is a wasteful number, since it uses less digits than its factorization.

1158245412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162987 (or 1162985 counting only the distinct ones).

The product of its digits is 12800, while the sum is 33.

The square root of 1158245412 is about 34033.0047453938. The cubic root of 1158245412 is about 1050.1875438245.

The spelling of 1158245412 in words is "one billion, one hundred fifty-eight million, two hundred forty-five thousand, four hundred twelve".