201455443 has 4 divisors (see below), whose sum is σ = 230234800. Its totient is φ = 172676088.

The previous prime is 201455411. The next prime is 201455477. The reversal of 201455443 is 344554102.

201455443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344554102 = 2 ⋅172277051.

It is a cyclic number.

It is not a de Polignac number, because 201455443 - 2⁵ = 201455411 is a prime.

It is the 14194-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201455543) by changing a digit.

It is a nontrivial repunit in base 14193.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14389668 + ... + 14389681.

It is an arithmetic number, because the mean of its divisors is an integer number (57558700).

Almost surely, 2^201455443 is an apocalyptic number.

201455443 is a deficient number, since it is larger than the sum of its proper divisors (28779357).

201455443 is an equidigital number, since it uses as much as digits as its factorization.

201455443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28779356.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 201455443 is about 14193.5000264205. The cubic root of 201455443 is about 586.2187007656.

The spelling of 201455443 in words is "two hundred one million, four hundred fifty-five thousand, four hundred forty-three".