204450153002453 has 4 divisors (see below), whose sum is σ = 204450954554700. Its totient is φ = 204449351450208.

The previous prime is 204450153002419. The next prime is 204450153002533. The reversal of 204450153002453 is 354200351054402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125169061658404 + 79281091344049 = 11187898^2 + 8903993^2 .

It is a cyclic number.

It is not a de Polignac number, because 204450153002453 - 2¹⁴ = 204450152986069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204450153001453) 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, 400393400 + ... + 400903697.

It is an arithmetic number, because the mean of its divisors is an integer number (51112738638675).

Almost surely, 2^{204450153002453} is an apocalyptic number.

It is an amenable number.

204450153002453 is a deficient number, since it is larger than the sum of its proper divisors (801552247).

204450153002453 is an equidigital number, since it uses as much as digits as its factorization.

204450153002453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801552246.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 204450153002453 in words is "two hundred four trillion, four hundred fifty billion, one hundred fifty-three million, two thousand, four hundred fifty-three".