148813 has 6 divisors (see below), whose sum is σ = 173166. Its totient is φ = 127512.

The previous prime is 148793. The next prime is 148817. The reversal of 148813 is 318841.

It can be written as a sum of positive squares in only one way, i.e., 142884 + 5929 = 378^2 + 77^2 .

It is not a de Polignac number, because 148813 - 2⁵ = 148781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1470 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (28861).

2¹⁴⁸⁸¹³ is an apocalyptic number.

It is an amenable number.

148813 is a deficient number, since it is larger than the sum of its proper divisors (24353).

148813 is an equidigital number, since it uses as much as digits as its factorization.

148813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051 (or 3044 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 148813 is about 385.7628805367. The cubic root of 148813 is about 52.9924042752.

It can be divided in two parts, 14881 and 3, that added together give a square (14884 = 122²).

The spelling of 148813 in words is "one hundred forty-eight thousand, eight hundred thirteen".