204114451 has 4 divisors (see below), whose sum is σ = 204249304. Its totient is φ = 203979600.

The previous prime is 204114413. The next prime is 204114457. The reversal of 204114451 is 154411402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154411402 = 2 ⋅77205701.

It is a cyclic number.

It is not a de Polignac number, because 204114451 - 2⁹ = 204113939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204114457) 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, 65130 + ... + 68191.

It is an arithmetic number, because the mean of its divisors is an integer number (51062326).

Almost surely, 2^204114451 is an apocalyptic number.

204114451 is a deficient number, since it is larger than the sum of its proper divisors (134853).

204114451 is a wasteful number, since it uses less digits than its factorization.

204114451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134852.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 204114451 is about 14286.8628816826. The cubic root of 204114451 is about 588.7866003515.

Adding to 204114451 its reverse (154411402), we get a palindrome (358525853).

The spelling of 204114451 in words is "two hundred four million, one hundred fourteen thousand, four hundred fifty-one".