204045046 has 4 divisors (see below), whose sum is σ = 306067572. Its totient is φ = 102022522.

The previous prime is 204045031. The next prime is 204045053. The reversal of 204045046 is 640540402.

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 204045046.

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, 51011260 + ... + 51011263.

It is an arithmetic number, because the mean of its divisors is an integer number (76516893).

Almost surely, 2^204045046 is an apocalyptic number.

204045046 is a deficient number, since it is larger than the sum of its proper divisors (102022526).

204045046 is a wasteful number, since it uses less digits than its factorization.

204045046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102022525.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 204045046 is about 14284.4336954602. The cubic root of 204045046 is about 588.7198577855.

Adding to 204045046 its reverse (640540402), we get a palindrome (844585448).

The spelling of 204045046 in words is "two hundred four million, forty-five thousand, forty-six".