158340912 has 20 divisors (see below), whose sum is σ = 409047480. Its totient is φ = 52780288.

The previous prime is 158340887. The next prime is 158340913. The reversal of 158340912 is 219043851.

It is not an unprimeable number, because it can be changed into a prime (158340913) 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 in 3 ways as a sum of consecutive naturals, for example, 1649337 + ... + 1649432.

It is an arithmetic number, because the mean of its divisors is an integer number (20452374).

Almost surely, 2^158340912 is an apocalyptic number.

158340912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158340912 is an abundant number, since it is smaller than the sum of its proper divisors (250706568).

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

158340912 is a wasteful number, since it uses less digits than its factorization.

158340912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298780 (or 3298774 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 158340912 is about 12583.3585341911. The cubic root of 158340912 is about 541.0005591975. Note that the first 3 decimals are identical.

The spelling of 158340912 in words is "one hundred fifty-eight million, three hundred forty thousand, nine hundred twelve".