204454455153 has 32 divisors (see below), whose sum is σ = 304518259584. Its totient is φ = 121208596992.

The previous prime is 204454455131. The next prime is 204454455173. The reversal of 204454455153 is 351554454402.

It is not a de Polignac number, because 204454455153 - 2⁶ = 204454455089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204454455173) 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, 712626 + ... + 957467.

It is an arithmetic number, because the mean of its divisors is an integer number (9516195612).

Almost surely, 2^204454455153 is an apocalyptic number.

It is an amenable number.

204454455153 is a deficient number, since it is larger than the sum of its proper divisors (100063804431).

204454455153 is a wasteful number, since it uses less digits than its factorization.

204454455153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670225.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 204454455153 in words is "two hundred four billion, four hundred fifty-four million, four hundred fifty-five thousand, one hundred fifty-three".