208815141 has 8 divisors (see below), whose sum is σ = 278546560. Its totient is φ = 139146912.

The previous prime is 208815127. The next prime is 208815157. The reversal of 208815141 is 141518802.

It is a happy number.

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

It is not a de Polignac number, because 208815141 - 2¹¹ = 208813093 is a prime.

It is a super-2 number, since 2×208815141² = 87207526221699762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208815099 and 208815108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208815121) 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 7 ways as a sum of consecutive naturals, for example, 7456 + ... + 21753.

It is an arithmetic number, because the mean of its divisors is an integer number (34818320).

Almost surely, 2^208815141 is an apocalyptic number.

It is an amenable number.

208815141 is a deficient number, since it is larger than the sum of its proper divisors (69731419).

208815141 is a wasteful number, since it uses less digits than its factorization.

208815141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31595.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 208815141 is about 14450.4373982243. The cubic root of 208815141 is about 593.2721958285.

The spelling of 208815141 in words is "two hundred eight million, eight hundred fifteen thousand, one hundred forty-one".