158000873 has 8 divisors (see below), whose sum is σ = 168222600. Its totient is φ = 147882240.

The previous prime is 158000861. The next prime is 158000891. The reversal of 158000873 is 378000851.

It can be written as a sum of positive squares in 4 ways, for example, as 322624 + 157678249 = 568^2 + 12557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158000873 - 2⁸ = 158000617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158000833) 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, 22598 + ... + 28751.

It is an arithmetic number, because the mean of its divisors is an integer number (21027825).

Almost surely, 2^158000873 is an apocalyptic number.

It is an amenable number.

158000873 is a deficient number, since it is larger than the sum of its proper divisors (10221727).

158000873 is a wasteful number, since it uses less digits than its factorization.

158000873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51547.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 158000873 is about 12569.8398160040. The cubic root of 158000873 is about 540.6130132573.

The spelling of 158000873 in words is "one hundred fifty-eight million, eight hundred seventy-three", and thus it is an aban number.