198145148 has 12 divisors (see below), whose sum is σ = 365004360. Its totient is φ = 93858192.

The previous prime is 198145127. The next prime is 198145163. The reversal of 198145148 is 841541891.

It is a super-3 number, since 3×198145148³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303511 + ... + 1303662.

It is an arithmetic number, because the mean of its divisors is an integer number (30417030).

Almost surely, 2^198145148 is an apocalyptic number.

It is an amenable number.

198145148 is a deficient number, since it is larger than the sum of its proper divisors (166859212).

198145148 is a wasteful number, since it uses less digits than its factorization.

198145148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607196 (or 2607194 counting only the distinct ones).

The product of its digits is 46080, while the sum is 41.

The square root of 198145148 is about 14076.4039441897. The cubic root of 198145148 is about 582.9900563881.

The spelling of 198145148 in words is "one hundred ninety-eight million, one hundred forty-five thousand, one hundred forty-eight".