198342152 has 8 divisors (see below), whose sum is σ = 371891550. Its totient is φ = 99171072.

The previous prime is 198342139. The next prime is 198342181. The reversal of 198342152 is 251243891.

It can be written as a sum of positive squares in only one way, i.e., 134884996 + 63457156 = 11614^2 + 7966^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×198342152² = 78679218519982208, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12396377 + ... + 12396392.

Almost surely, 2^198342152 is an apocalyptic number.

It is an amenable number.

198342152 is a deficient number, since it is larger than the sum of its proper divisors (173549398).

198342152 is a wasteful number, since it uses less digits than its factorization.

198342152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24792775 (or 24792771 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 198342152 is about 14083.3998736101. The cubic root of 198342152 is about 583.1832032334.

The spelling of 198342152 in words is "one hundred ninety-eight million, three hundred forty-two thousand, one hundred fifty-two".