158645928 has 96 divisors (see below), whose sum is σ = 463916160. Its totient is φ = 45077760.

The previous prime is 158645923. The next prime is 158645947. The reversal of 158645928 is 829546851.

It is not an unprimeable number, because it can be changed into a prime (158645923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367873 + ... + 368303.

It is an arithmetic number, because the mean of its divisors is an integer number (4832460).

Almost surely, 2^158645928 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 158645928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231958080).

158645928 is an abundant number, since it is smaller than the sum of its proper divisors (305270232).

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

158645928 is a wasteful number, since it uses less digits than its factorization.

158645928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 756 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The square root of 158645928 is about 12595.4725199176. The cubic root of 158645928 is about 541.3477172820.

The spelling of 158645928 in words is "one hundred fifty-eight million, six hundred forty-five thousand, nine hundred twenty-eight".