148839 has 4 divisors (see below), whose sum is σ = 198456. Its totient is φ = 99224.

The previous prime is 148829. The next prime is 148853. The reversal of 148839 is 938841.

148839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148839 - 2⁷ = 148711 is a prime.

It is a D-number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148829) 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, 24804 + ... + 24809.

It is an arithmetic number, because the mean of its divisors is an integer number (49614).

2¹⁴⁸⁸³⁹ is an apocalyptic number.

148839 is a deficient number, since it is larger than the sum of its proper divisors (49617).

148839 is an equidigital number, since it uses as much as digits as its factorization.

148839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49616.

The product of its digits is 6912, while the sum is 33.

The square root of 148839 is about 385.7965785229. The cubic root of 148839 is about 52.9954903010.

The spelling of 148839 in words is "one hundred forty-eight thousand, eight hundred thirty-nine".