148422133 has 4 divisors (see below), whose sum is σ = 152433580. Its totient is φ = 144410688.

The previous prime is 148422077. The next prime is 148422137. The reversal of 148422133 is 331224841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331224841 = 2459 ⋅134699.

It can be written as a sum of positive squares in 2 ways, for example, as 77475204 + 70946929 = 8802^2 + 8423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148422133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148422137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005668 + ... + 2005741.

It is an arithmetic number, because the mean of its divisors is an integer number (38108395).

Almost surely, 2^148422133 is an apocalyptic number.

It is an amenable number.

148422133 is a deficient number, since it is larger than the sum of its proper divisors (4011447).

148422133 is an equidigital number, since it uses as much as digits as its factorization.

148422133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011446.

The product of its digits is 4608, while the sum is 28.

The square root of 148422133 is about 12182.8622663149. The cubic root of 148422133 is about 529.4596759905.

Adding to 148422133 its reverse (331224841), we get a palindrome (479646974).

The spelling of 148422133 in words is "one hundred forty-eight million, four hundred twenty-two thousand, one hundred thirty-three".