208682145 has 24 divisors (see below), whose sum is σ = 413390016. Its totient is φ = 95397408.

The previous prime is 208682137. The next prime is 208682167. The reversal of 208682145 is 541286802.

It is not a de Polignac number, because 208682145 - 2³ = 208682137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330927 + ... + 331556.

It is an arithmetic number, because the mean of its divisors is an integer number (17224584).

Almost surely, 2^208682145 is an apocalyptic number.

It is an amenable number.

208682145 is a deficient number, since it is larger than the sum of its proper divisors (204707871).

208682145 is a wasteful number, since it uses less digits than its factorization.

208682145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662501 (or 662498 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 208682145 is about 14445.8348668396. The cubic root of 208682145 is about 593.1462158417.

The spelling of 208682145 in words is "two hundred eight million, six hundred eighty-two thousand, one hundred forty-five".