158538328 has 32 divisors (see below), whose sum is σ = 338960160. Its totient is φ = 68866560.

The previous prime is 158538319. The next prime is 158538343. The reversal of 158538328 is 823835851.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43068 + ... + 46603.

It is an arithmetic number, because the mean of its divisors is an integer number (10592505).

Almost surely, 2^158538328 is an apocalyptic number.

It is an amenable number.

158538328 is an abundant number, since it is smaller than the sum of its proper divisors (180421832).

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

158538328 is a wasteful number, since it uses less digits than its factorization.

158538328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89707 (or 89703 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 158538328 is about 12591.2004193405. The cubic root of 158538328 is about 541.2253017263.

The spelling of 158538328 in words is "one hundred fifty-eight million, five hundred thirty-eight thousand, three hundred twenty-eight".