208485345 has 16 divisors (see below), whose sum is σ = 337800960. Its totient is φ = 109784064.

The previous prime is 208485337. The next prime is 208485353. The reversal of 208485345 is 543584802.

It is an interprime number because it is at equal distance from previous prime (208485337) and next prime (208485353).

It is not a de Polignac number, because 208485345 - 2³ = 208485337 is a prime.

It is a super-2 number, since 2×208485345² = 86932278159538050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86784 + ... + 89153.

It is an arithmetic number, because the mean of its divisors is an integer number (21112560).

Almost surely, 2^208485345 is an apocalyptic number.

It is an amenable number.

208485345 is a deficient number, since it is larger than the sum of its proper divisors (129315615).

208485345 is a wasteful number, since it uses less digits than its factorization.

208485345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176024.

The product of its (nonzero) digits is 153600, while the sum is 39.

The square root of 208485345 is about 14439.0216081284. The cubic root of 208485345 is about 592.9596995022.

The spelling of 208485345 in words is "two hundred eight million, four hundred eighty-five thousand, three hundred forty-five".