204554542 has 8 divisors (see below), whose sum is σ = 310716000. Its totient is φ = 100982544.

The previous prime is 204554509. The next prime is 204554549. The reversal of 204554542 is 245455402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204554549) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 647167 + ... + 647482.

It is an arithmetic number, because the mean of its divisors is an integer number (38839500).

Almost surely, 2^204554542 is an apocalyptic number.

204554542 is a deficient number, since it is larger than the sum of its proper divisors (106161458).

204554542 is a wasteful number, since it uses less digits than its factorization.

204554542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294730.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 204554542 is about 14302.2565352465. The cubic root of 204554542 is about 589.2094573580.

The spelling of 204554542 in words is "two hundred four million, five hundred fifty-four thousand, five hundred forty-two".