204148061 has 16 divisors (see below), whose sum is σ = 225942528. Its totient is φ = 183254400.

The previous prime is 204148039. The next prime is 204148073. The reversal of 204148061 is 160841402.

204148061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 204148061 - 2²⁶ = 137039197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204148061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204148031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323216 + ... + 323846.

It is an arithmetic number, because the mean of its divisors is an integer number (14121408).

Almost surely, 2^204148061 is an apocalyptic number.

It is an amenable number.

204148061 is a deficient number, since it is larger than the sum of its proper divisors (21794467).

204148061 is a wasteful number, since it uses less digits than its factorization.

204148061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 204148061 is about 14288.0390886923. The cubic root of 204148061 is about 588.8189156064.

Adding to 204148061 its reverse (160841402), we get a palindrome (364989463).

The spelling of 204148061 in words is "two hundred four million, one hundred forty-eight thousand, sixty-one".