146838 has 8 divisors (see below), whose sum is σ = 293688. Its totient is φ = 48944.

The previous prime is 146837. The next prime is 146843. The reversal of 146838 is 838641.

It is a happy number.

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

146838 is an admirable number.

It is a super-2 number, since 2×146838² = 43122796488, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12231 + ... + 12242.

It is an arithmetic number, because the mean of its divisors is an integer number (36711).

2¹⁴⁶⁸³⁸ is an apocalyptic number.

146838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

146838 is a wasteful number, since it uses less digits than its factorization.

146838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24478.

The product of its digits is 4608, while the sum is 30.

The square root of 146838 is about 383.1944676010. The cubic root of 146838 is about 52.7569265329.

The spelling of 146838 in words is "one hundred forty-six thousand, eight hundred thirty-eight".