158478 has 16 divisors (see below), whose sum is σ = 322896. Its totient is φ = 51840.

The previous prime is 158449. The next prime is 158489. The reversal of 158478 is 874851.

It is a happy number.

158478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 158478.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150 + ... + 582.

It is an arithmetic number, because the mean of its divisors is an integer number (20181).

2¹⁵⁸⁴⁷⁸ is an apocalyptic number.

158478 is an abundant number, since it is smaller than the sum of its proper divisors (164418).

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

158478 is a wasteful number, since it uses less digits than its factorization.

158478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

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

The square root of 158478 is about 398.0929539693. The cubic root of 158478 is about 54.1156642867.

It can be divided in two parts, 158 and 478, that added together give a palindrome (636).

The spelling of 158478 in words is "one hundred fifty-eight thousand, four hundred seventy-eight".