204244153 has 4 divisors (see below), whose sum is σ = 204300288. Its totient is φ = 204188020.

The previous prime is 204244133. The next prime is 204244169. The reversal of 204244153 is 351442402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204244153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204244123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22201 + ... + 30022.

It is an arithmetic number, because the mean of its divisors is an integer number (51075072).

Almost surely, 2^204244153 is an apocalyptic number.

It is an amenable number.

204244153 is a deficient number, since it is larger than the sum of its proper divisors (56135).

204244153 is an equidigital number, since it uses as much as digits as its factorization.

204244153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56134.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 204244153 is about 14291.4013658563. The cubic root of 204244153 is about 588.9112863296.

Adding to 204244153 its reverse (351442402), we get a palindrome (555686555).

The spelling of 204244153 in words is "two hundred four million, two hundred forty-four thousand, one hundred fifty-three".