148218443 has 4 divisors (see below), whose sum is σ = 150730680. Its totient is φ = 145706208.

The previous prime is 148218437. The next prime is 148218481. The reversal of 148218443 is 344812841.

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 148218443 - 2⁶ = 148218379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148218493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256030 + ... + 1256147.

It is an arithmetic number, because the mean of its divisors is an integer number (37682670).

Almost surely, 2^148218443 is an apocalyptic number.

148218443 is a deficient number, since it is larger than the sum of its proper divisors (2512237).

148218443 is an equidigital number, since it uses as much as digits as its factorization.

148218443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512236.

The product of its digits is 24576, while the sum is 35.

The square root of 148218443 is about 12174.4997022465. The cubic root of 148218443 is about 529.2173603476.

The spelling of 148218443 in words is "one hundred forty-eight million, two hundred eighteen thousand, four hundred forty-three".