204055045 has 8 divisors (see below), whose sum is σ = 244984320. Its totient is φ = 163165200.

The previous prime is 204055043. The next prime is 204055069. The reversal of 204055045 is 540550402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204055045 - 2¹ = 204055043 is a prime.

It is a super-2 number, since 2×204055045² = 83276922779904050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204055043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3076 + ... + 20434.

It is an arithmetic number, because the mean of its divisors is an integer number (30623040).

Almost surely, 2^204055045 is an apocalyptic number.

It is an amenable number.

204055045 is a deficient number, since it is larger than the sum of its proper divisors (40929275).

204055045 is a wasteful number, since it uses less digits than its factorization.

204055045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19715.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 204055045 is about 14284.7836875467. The cubic root of 204055045 is about 588.7294741485.

The spelling of 204055045 in words is "two hundred four million, fifty-five thousand, forty-five".