205342154532 has 36 divisors (see below), whose sum is σ = 519571825500. Its totient is φ = 68379803712.

The previous prime is 205342154519. The next prime is 205342154543. The reversal of 205342154532 is 235451243502.

205342154532 is a `hidden beast` number, since 2 + 0 + 53 + 4 + 21 + 54 + 532 = 666.

205342154532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2458573056 + 202883581476 = 49584^2 + 450426^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2778907 + ... + 2851842.

Almost surely, 2^205342154532 is an apocalyptic number.

It is an amenable number.

205342154532 is an abundant number, since it is smaller than the sum of its proper divisors (314229670968).

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

205342154532 is a wasteful number, since it uses less digits than its factorization.

205342154532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631772 (or 5631767 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 205342154532 in words is "two hundred five billion, three hundred forty-two million, one hundred fifty-four thousand, five hundred thirty-two".