148208506 has 4 divisors (see below), whose sum is σ = 222312762. Its totient is φ = 74104252.

The previous prime is 148208497. The next prime is 148208513. The reversal of 148208506 is 605802841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 92332881 + 55875625 = 9609^2 + 7475^2 .

It is a super-2 number, since 2×148208506² = 43931522501504072, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 37052125 + ... + 37052128.

Almost surely, 2^148208506 is an apocalyptic number.

148208506 is a deficient number, since it is larger than the sum of its proper divisors (74104256).

148208506 is an equidigital number, since it uses as much as digits as its factorization.

148208506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74104255.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 148208506 is about 12174.0915882870. The cubic root of 148208506 is about 529.2055333209.

The spelling of 148208506 in words is "one hundred forty-eight million, two hundred eight thousand, five hundred six".