148838 has 4 divisors (see below), whose sum is σ = 223260. Its totient is φ = 74418.

The previous prime is 148829. The next prime is 148853. The reversal of 148838 is 838841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838841 = 167 ⋅5023.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

148838 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37208 + ... + 37211.

It is an arithmetic number, because the mean of its divisors is an integer number (55815).

2¹⁴⁸⁸³⁸ is an apocalyptic number.

148838 is a deficient number, since it is larger than the sum of its proper divisors (74422).

148838 is an equidigital number, since it uses as much as digits as its factorization.

148838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74421.

The product of its digits is 6144, while the sum is 32.

The square root of 148838 is about 385.7952825010. The cubic root of 148838 is about 52.9953716143.

The spelling of 148838 in words is "one hundred forty-eight thousand, eight hundred thirty-eight".