204013145 has 8 divisors (see below), whose sum is σ = 279789504. Its totient is φ = 139894704.

The previous prime is 204013133. The next prime is 204013177. The reversal of 204013145 is 541310402.

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

It is a cyclic number.

It is not a de Polignac number, because 204013145 - 2⁴ = 204013129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2914439 + ... + 2914508.

It is an arithmetic number, because the mean of its divisors is an integer number (34973688).

Almost surely, 2^204013145 is an apocalyptic number.

It is an amenable number.

204013145 is a deficient number, since it is larger than the sum of its proper divisors (75776359).

204013145 is an equidigital number, since it uses as much as digits as its factorization.

204013145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828959.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 204013145 is about 14283.3170167157. The cubic root of 204013145 is about 588.6891754576.

Adding to 204013145 its reverse (541310402), we get a palindrome (745323547).

The spelling of 204013145 in words is "two hundred four million, thirteen thousand, one hundred forty-five".