148506005 has 4 divisors (see below), whose sum is σ = 178207212. Its totient is φ = 118804800.

The previous prime is 148505953. The next prime is 148506037. The reversal of 148506005 is 500605841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500605841 = 1613 ⋅310357.

It can be written as a sum of positive squares in 2 ways, for example, as 72624484 + 75881521 = 8522^2 + 8711^2 .

It is a de Polignac number, because none of the positive numbers 2^k-148506005 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14850596 + ... + 14850605.

It is an arithmetic number, because the mean of its divisors is an integer number (44551803).

Almost surely, 2^148506005 is an apocalyptic number.

It is an amenable number.

148506005 is a deficient number, since it is larger than the sum of its proper divisors (29701207).

148506005 is an equidigital number, since it uses as much as digits as its factorization.

148506005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29701206.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 148506005 is about 12186.3039925976. The cubic root of 148506005 is about 529.5593881629.

The spelling of 148506005 in words is "one hundred forty-eight million, five hundred six thousand, five".