158340756 has 72 divisors (see below), whose sum is σ = 452434080. Its totient is φ = 42856128.

The previous prime is 158340731. The next prime is 158340769. The reversal of 158340756 is 657043851.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 4086 + ... + 18258.

Almost surely, 2^158340756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158340756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226217040).

158340756 is an abundant number, since it is smaller than the sum of its proper divisors (294093324).

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

158340756 is a wasteful number, since it uses less digits than its factorization.

158340756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14213 (or 14204 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 158340756 is about 12583.3523355265. The cubic root of 158340756 is about 541.0003815300. Note that the first 3 decimals are identical.

The spelling of 158340756 in words is "one hundred fifty-eight million, three hundred forty thousand, seven hundred fifty-six".