148203005 has 4 divisors (see below), whose sum is σ = 177843612. Its totient is φ = 118562400.

The previous prime is 148203001. The next prime is 148203037. The reversal of 148203005 is 500302841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500302841 = 367 ⋅1363223.

It can be written as a sum of positive squares in 2 ways, for example, as 70375321 + 77827684 = 8389^2 + 8822^2 .

It is not a de Polignac number, because 148203005 - 2² = 148203001 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 (148203001) 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, 14820296 + ... + 14820305.

It is an arithmetic number, because the mean of its divisors is an integer number (44460903).

Almost surely, 2^148203005 is an apocalyptic number.

It is an amenable number.

148203005 is a deficient number, since it is larger than the sum of its proper divisors (29640607).

148203005 is an equidigital number, since it uses as much as digits as its factorization.

148203005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29640606.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 148203005 is about 12173.8656555755. The cubic root of 148203005 is about 529.1989857982.

Adding to 148203005 its reverse (500302841), we get a palindrome (648505846).

The spelling of 148203005 in words is "one hundred forty-eight million, two hundred three thousand, five".