204153145040343 has 8 divisors (see below), whose sum is σ = 272213194671856. Its totient is φ = 136097596051200.

The previous prime is 204153145040297. The next prime is 204153145040353. The reversal of 204153145040343 is 343040541351402.

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

It is a de Polignac number, because none of the positive numbers 2^k-204153145040343 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 (204153145040353) 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, 1125054748 + ... + 1125236193.

It is an arithmetic number, because the mean of its divisors is an integer number (34026649333982).

Almost surely, 2^{204153145040343} is an apocalyptic number.

204153145040343 is a deficient number, since it is larger than the sum of its proper divisors (68060049631513).

204153145040343 is a wasteful number, since it uses less digits than its factorization.

204153145040343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250321185.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 204153145040343 its reverse (343040541351402), we get a palindrome (547193686391745).

The spelling of 204153145040343 in words is "two hundred four trillion, one hundred fifty-three billion, one hundred forty-five million, forty thousand, three hundred forty-three".