242955198 has 24 divisors (see below), whose sum is σ = 531065808. Its totient is φ = 80267712.

The previous prime is 242955179. The next prime is 242955227. The reversal of 242955198 is 891559242.

It is a happy number.

242955198 is a `hidden beast` number, since 2 + 4 + 2 + 9 + 551 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57690 + ... + 61757.

It is an arithmetic number, because the mean of its divisors is an integer number (22127742).

Almost surely, 2^242955198 is an apocalyptic number.

242955198 is an abundant number, since it is smaller than the sum of its proper divisors (288110610).

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

242955198 is a wasteful number, since it uses less digits than its factorization.

242955198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119568 (or 119565 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 242955198 is about 15587.0201770576. The cubic root of 242955198 is about 623.9867939759.

The spelling of 242955198 in words is "two hundred forty-two million, nine hundred fifty-five thousand, one hundred ninety-eight".