208142148 has 12 divisors (see below), whose sum is σ = 485665040. Its totient is φ = 69380712.

The previous prime is 208142119. The next prime is 208142159. The reversal of 208142148 is 841241802.

It is a tau number, because it is divible by the number of its divisors (12).

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 in 3 ways as a sum of consecutive naturals, for example, 8672578 + ... + 8672601.

Almost surely, 2^208142148 is an apocalyptic number.

It is an amenable number.

208142148 is an abundant number, since it is smaller than the sum of its proper divisors (277522892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208142148 is a wasteful number, since it uses less digits than its factorization.

208142148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17345186 (or 17345184 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 208142148 is about 14427.1323553920. The cubic root of 208142148 is about 592.6341550268.

The spelling of 208142148 in words is "two hundred eight million, one hundred forty-two thousand, one hundred forty-eight".