204254542 has 4 divisors (see below), whose sum is σ = 306381816. Its totient is φ = 102127270.

The previous prime is 204254509. The next prime is 204254593. The reversal of 204254542 is 245452402.

204254542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 204254542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51063634 + ... + 51063637.

It is an arithmetic number, because the mean of its divisors is an integer number (76595454).

Almost surely, 2^204254542 is an apocalyptic number.

204254542 is a deficient number, since it is larger than the sum of its proper divisors (102127274).

204254542 is a wasteful number, since it uses less digits than its factorization.

204254542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102127273.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 204254542 is about 14291.7648315385. The cubic root of 204254542 is about 588.9212712676.

The spelling of 204254542 in words is "two hundred four million, two hundred fifty-four thousand, five hundred forty-two".