208148274 has 24 divisors (see below), whose sum is σ = 455457132. Its totient is φ = 68695200.

The previous prime is 208148261. The next prime is 208148309. The reversal of 208148274 is 472841802.

It can be written as a sum of positive squares in 2 ways, for example, as 206066025 + 2082249 = 14355^2 + 1443^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55429 + ... + 59064.

Almost surely, 2^208148274 is an apocalyptic number.

208148274 is an abundant number, since it is smaller than the sum of its proper divisors (247308858).

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

208148274 is a wasteful number, since it uses less digits than its factorization.

208148274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114602 (or 114599 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 208148274 is about 14427.3446621338. The cubic root of 208148274 is about 592.6399690683.

The spelling of 208148274 in words is "two hundred eight million, one hundred forty-eight thousand, two hundred seventy-four".