204148242 has 32 divisors (see below), whose sum is σ = 454762560. Its totient is φ = 67884480.

The previous prime is 204148229. The next prime is 204148261. The reversal of 204148242 is 242841402.

204148242 is a `hidden beast` number, since 2 + 0 + 414 + 8 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19017 + ... + 27747.

It is an arithmetic number, because the mean of its divisors is an integer number (14211330).

Almost surely, 2^204148242 is an apocalyptic number.

204148242 is an abundant number, since it is smaller than the sum of its proper divisors (250614318).

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

204148242 is a wasteful number, since it uses less digits than its factorization.

204148242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175 (or 9169 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 204148242 is about 14288.0454226602. The cubic root of 204148242 is about 588.8190896242.

Adding to 204148242 its reverse (242841402), we get a palindrome (446989644).

The spelling of 204148242 in words is "two hundred four million, one hundred forty-eight thousand, two hundred forty-two".