208268142 has 8 divisors (see below), whose sum is σ = 416536296. Its totient is φ = 69422712.

The previous prime is 208268141. The next prime is 208268143. The reversal of 208268142 is 241862802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (208268141) and next prime (208268143).

It is a sphenic number, since it is the product of 3 distinct primes.

208268142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208268141) 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, 17355673 + ... + 17355684.

It is an arithmetic number, because the mean of its divisors is an integer number (52067037).

Almost surely, 2^208268142 is an apocalyptic number.

208268142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

208268142 is a wasteful number, since it uses less digits than its factorization.

208268142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34711362.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 208268142 is about 14431.4982590166. The cubic root of 208268142 is about 592.7537099996.

The spelling of 208268142 in words is "two hundred eight million, two hundred sixty-eight thousand, one hundred forty-two".