204415453146255 has 32 divisors (see below), whose sum is σ = 357048530198976. Its totient is φ = 99256734249984.

The previous prime is 204415453146181. The next prime is 204415453146259. The reversal of 204415453146255 is 552641354514402.

It is a happy number.

It is not a de Polignac number, because 204415453146255 - 2²² = 204415448951951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204415453146198 and 204415453146207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204415453146259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7180015732 + ... + 7180044201.

It is an arithmetic number, because the mean of its divisors is an integer number (11157766568718).

Almost surely, 2^{204415453146255} is an apocalyptic number.

204415453146255 is a deficient number, since it is larger than the sum of its proper divisors (152633077052721).

204415453146255 is a wasteful number, since it uses less digits than its factorization.

204415453146255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14360060027.

The product of its (nonzero) digits is 11520000, while the sum is 51.

The spelling of 204415453146255 in words is "two hundred four trillion, four hundred fifteen billion, four hundred fifty-three million, one hundred forty-six thousand, two hundred fifty-five".