198299144 has 32 divisors (see below), whose sum is σ = 382108320. Its totient is φ = 96423936.

The previous prime is 198299113. The next prime is 198299147. The reversal of 198299144 is 441992891.

It is a super-2 number, since 2×198299144² = 78645101022265472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (198299147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87287 + ... + 89529.

It is an arithmetic number, because the mean of its divisors is an integer number (11940885).

Almost surely, 2^198299144 is an apocalyptic number.

It is an amenable number.

198299144 is a deficient number, since it is larger than the sum of its proper divisors (183809176).

198299144 is a wasteful number, since it uses less digits than its factorization.

198299144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2545 counting only the distinct ones).

The product of its digits is 186624, while the sum is 47.

The square root of 198299144 is about 14081.8728868002. The cubic root of 198299144 is about 583.1410482065.

The spelling of 198299144 in words is "one hundred ninety-eight million, two hundred ninety-nine thousand, one hundred forty-four".