158585730 has 16 divisors (see below), whose sum is σ = 380605824. Its totient is φ = 42289520.

The previous prime is 158585729. The next prime is 158585731. The reversal of 158585730 is 37585851.

It is a happy number.

158585730 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158585729) and next prime (158585731).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (158585731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643066 + ... + 2643125.

It is an arithmetic number, because the mean of its divisors is an integer number (23787864).

Almost surely, 2^158585730 is an apocalyptic number.

158585730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158585730 is an abundant number, since it is smaller than the sum of its proper divisors (222020094).

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

158585730 is a wasteful number, since it uses less digits than its factorization.

158585730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286201.

The product of its (nonzero) digits is 168000, while the sum is 42.

The square root of 158585730 is about 12593.0826249969. The cubic root of 158585730 is about 541.2792373804.

The spelling of 158585730 in words is "one hundred fifty-eight million, five hundred eighty-five thousand, seven hundred thirty".