158332720 has 180 divisors, whose sum is σ = 465639840. Its totient is φ = 49900032.

The previous prime is 158332687. The next prime is 158332723. The reversal of 158332720 is 27233851.

158332720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158332723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 662361 + ... + 662599.

It is an arithmetic number, because the mean of its divisors is an integer number (2586888).

Almost surely, 2^158332720 is an apocalyptic number.

158332720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158332720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232819920).

158332720 is an abundant number, since it is smaller than the sum of its proper divisors (307307120).

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

158332720 is a wasteful number, since it uses less digits than its factorization.

158332720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 158332720 is about 12583.0330206989. The cubic root of 158332720 is about 540.9912292167.

The spelling of 158332720 in words is "one hundred fifty-eight million, three hundred thirty-two thousand, seven hundred twenty".