205000145444444 has 24 divisors (see below), whose sum is σ = 411838857228288. Its totient is φ = 87463226689200.

The previous prime is 205000145444429. The next prime is 205000145444489. The reversal of 205000145444444 is 444444541000502.

It is a happy number.

205000145444444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 16415764532 + ... + 16415777019.

It is an arithmetic number, because the mean of its divisors is an integer number (17159952384512).

Almost surely, 2^{205000145444444} is an apocalyptic number.

It is an amenable number.

205000145444444 is an abundant number, since it is smaller than the sum of its proper divisors (206838711783844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205000145444444 is a wasteful number, since it uses less digits than its factorization.

205000145444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32831541785 (or 32831541783 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 41.

Adding to 205000145444444 its reverse (444444541000502), we get a palindrome (649444686444946).

The spelling of 205000145444444 in words is "two hundred five trillion, one hundred forty-five million, four hundred forty-four thousand, four hundred forty-four".