158487 has 8 divisors (see below), whose sum is σ = 241536. Its totient is φ = 90552.

The previous prime is 158449. The next prime is 158489. The reversal of 158487 is 784851.

It is a happy number.

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

It is not a de Polignac number, because 158487 - 2⁷ = 158359 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 158487.

It is not an unprimeable number, because it can be changed into a prime (158489) 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, 3753 + ... + 3794.

It is an arithmetic number, because the mean of its divisors is an integer number (30192).

2¹⁵⁸⁴⁸⁷ is an apocalyptic number.

158487 is a deficient number, since it is larger than the sum of its proper divisors (83049).

158487 is an equidigital number, since it uses as much as digits as its factorization.

158487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557.

The product of its digits is 8960, while the sum is 33.

The square root of 158487 is about 398.1042577014. The cubic root of 158487 is about 54.1166886807.

The spelling of 158487 in words is "one hundred fifty-eight thousand, four hundred eighty-seven".