198145352 has 16 divisors (see below), whose sum is σ = 372794940. Its totient is φ = 98733376.

The previous prime is 198145307. The next prime is 198145379. The reversal of 198145352 is 253541891.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 197514916 + 630436 = 14054^2 + 794^2 .

It is a super-3 number, since 3×198145352³ (a number of 26 digits) contains 333 as substring.

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, 39923 + ... + 44610.

Almost surely, 2^198145352 is an apocalyptic number.

It is an amenable number.

198145352 is a deficient number, since it is larger than the sum of its proper divisors (174649588).

198145352 is a wasteful number, since it uses less digits than its factorization.

198145352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84832 (or 84828 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 198145352 is about 14076.4111903567. The cubic root of 198145352 is about 582.9902564602.

The spelling of 198145352 in words is "one hundred ninety-eight million, one hundred forty-five thousand, three hundred fifty-two".