208552144 has 20 divisors (see below), whose sum is σ = 404370820. Its totient is φ = 104198400.

The previous prime is 208552129. The next prime is 208552147. The reversal of 208552144 is 441255802.

It can be written as a sum of positive squares in 2 ways, for example, as 207014544 + 1537600 = 14388^2 + 1240^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208552147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21694 + ... + 29794.

It is an arithmetic number, because the mean of its divisors is an integer number (20218541).

Almost surely, 2^208552144 is an apocalyptic number.

It is an amenable number.

208552144 is a deficient number, since it is larger than the sum of its proper divisors (195818676).

208552144 is a wasteful number, since it uses less digits than its factorization.

208552144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9718 (or 9712 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 208552144 is about 14441.3345643677. The cubic root of 208552144 is about 593.0230211159.

The spelling of 208552144 in words is "two hundred eight million, five hundred fifty-two thousand, one hundred forty-four".