158434 has 8 divisors (see below), whose sum is σ = 244188. Its totient is φ = 77040.

The previous prime is 158429. The next prime is 158443. The reversal of 158434 is 434851.

158434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 120409 + 38025 = 347^2 + 195^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 158399 and 158408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997 + ... + 1144.

2¹⁵⁸⁴³⁴ is an apocalyptic number.

158434 is a deficient number, since it is larger than the sum of its proper divisors (85754).

158434 is a wasteful number, since it uses less digits than its factorization.

158434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180.

The product of its digits is 1920, while the sum is 25.

The square root of 158434 is about 398.0376866579. The cubic root of 158434 is about 54.1106555796.

The spelling of 158434 in words is "one hundred fifty-eight thousand, four hundred thirty-four".