148791 has 4 divisors (see below), whose sum is σ = 198392. Its totient is φ = 99192.

The previous prime is 148783. The next prime is 148793. The reversal of 148791 is 197841.

148791 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 not a de Polignac number, because 148791 - 2³ = 148783 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148793) 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, 24796 + ... + 24801.

It is an arithmetic number, because the mean of its divisors is an integer number (49598).

2¹⁴⁸⁷⁹¹ is an apocalyptic number.

148791 is a deficient number, since it is larger than the sum of its proper divisors (49601).

148791 is an equidigital number, since it uses as much as digits as its factorization.

148791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49600.

The product of its digits is 2016, while the sum is 30.

The square root of 148791 is about 385.7343645568. The cubic root of 148791 is about 52.9897927418.

It can be divided in two parts, 148 and 791, that added together give a palindrome (939).

The spelling of 148791 in words is "one hundred forty-eight thousand, seven hundred ninety-one".