208320148 has 6 divisors (see below), whose sum is σ = 364560266. Its totient is φ = 104160072.

The previous prime is 208320109. The next prime is 208320149. The reversal of 208320148 is 841023802.

208320148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 144288144 + 64032004 = 12012^2 + 8002^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208320149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26040015 + ... + 26040022.

Almost surely, 2^208320148 is an apocalyptic number.

It is an amenable number.

208320148 is a deficient number, since it is larger than the sum of its proper divisors (156240118).

208320148 is a wasteful number, since it uses less digits than its factorization.

208320148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52080041 (or 52080039 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 208320148 is about 14433.2999691685. The cubic root of 208320148 is about 592.8030441315.

It can be divided in two parts, 208 and 320148, that added together give a square (320356 = 566²).

The spelling of 208320148 in words is "two hundred eight million, three hundred twenty thousand, one hundred forty-eight".