208070144 has 40 divisors (see below), whose sum is σ = 433833840. Its totient is φ = 99506176.

The previous prime is 208070111. The next prime is 208070147. The reversal of 208070144 is 441070802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208070147) 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, 2942 + ... + 20610.

It is an arithmetic number, because the mean of its divisors is an integer number (10845846).

Almost surely, 2^208070144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208070144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216916920).

208070144 is an abundant number, since it is smaller than the sum of its proper divisors (225763696).

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

208070144 is an equidigital number, since it uses as much as digits as its factorization.

208070144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17710 (or 17694 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 208070144 is about 14424.6367025308. The cubic root of 208070144 is about 592.5658091846.

The spelling of 208070144 in words is "two hundred eight million, seventy thousand, one hundred forty-four".