204801145 has 8 divisors (see below), whose sum is σ = 245939904. Its totient is φ = 163721904.

The previous prime is 204801143. The next prime is 204801151. The reversal of 204801145 is 541108402.

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 204801145 - 2¹ = 204801143 is a prime.

It is a super-2 number, since 2×204801145² = 83887017986622050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204801143) 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, 6919 + ... + 21388.

It is an arithmetic number, because the mean of its divisors is an integer number (30742488).

Almost surely, 2^204801145 is an apocalyptic number.

It is an amenable number.

204801145 is a deficient number, since it is larger than the sum of its proper divisors (41138759).

204801145 is a wasteful number, since it uses less digits than its factorization.

204801145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29759.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 204801145 is about 14310.8750605964. The cubic root of 204801145 is about 589.4461382742.

Adding to 204801145 its reverse (541108402), we get a palindrome (745909547).

The spelling of 204801145 in words is "two hundred four million, eight hundred one thousand, one hundred forty-five".