205442454 has 32 divisors (see below), whose sum is σ = 470131200. Its totient is φ = 58629312.

The previous prime is 205442401. The next prime is 205442473. The reversal of 205442454 is 454244502.

205442454 is digitally balanced in base 3, 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 15 ways as a sum of consecutive naturals, for example, 41727 + ... + 46389.

It is an arithmetic number, because the mean of its divisors is an integer number (14691600).

Almost surely, 2^205442454 is an apocalyptic number.

205442454 is an abundant number, since it is smaller than the sum of its proper divisors (264688746).

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

205442454 is a wasteful number, since it uses less digits than its factorization.

205442454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724.

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 205442454 is about 14333.2638990566. The cubic root of 205442454 is about 590.0607559764.

Adding to 205442454 its reverse (454244502), we get a palindrome (659686956).

The spelling of 205442454 in words is "two hundred five million, four hundred forty-two thousand, four hundred fifty-four".