158115000 has 160 divisors (see below), whose sum is σ = 503838720. Its totient is φ = 41328000.

The previous prime is 158114987. The next prime is 158115019. The reversal of 158115000 is 511851.

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 39 ways as a sum of consecutive naturals, for example, 1244937 + ... + 1245063.

It is an arithmetic number, because the mean of its divisors is an integer number (3148992).

Almost surely, 2^158115000 is an apocalyptic number.

158115000 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 158115000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251919360).

158115000 is an abundant number, since it is smaller than the sum of its proper divisors (345723720).

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

158115000 is a wasteful number, since it uses less digits than its factorization.

158115000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 158115000 is about 12574.3787122863. The cubic root of 158115000 is about 540.7431469096.

Adding to 158115000 its reverse (511851), we get a palindrome (158626851).

The spelling of 158115000 in words is "one hundred fifty-eight million, one hundred fifteen thousand".