420158 has 8 divisors (see below), whose sum is σ = 633000. Its totient is φ = 209160.

The previous prime is 420149. The next prime is 420163. The reversal of 420158 is 851024.

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

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

420158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593 + ... + 1091.

It is an arithmetic number, because the mean of its divisors is an integer number (79125).

2⁴²⁰¹⁵⁸ is an apocalyptic number.

420158 is a deficient number, since it is larger than the sum of its proper divisors (212842).

420158 is a wasteful number, since it uses less digits than its factorization.

420158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 420158 is about 648.1959580250. The cubic root of 420158 is about 74.8981135031.

The spelling of 420158 in words is "four hundred twenty thousand, one hundred fifty-eight".