201443454055 has 8 divisors (see below), whose sum is σ = 241736061744. Its totient is φ = 161152152000.

The previous prime is 201443454013. The next prime is 201443454077. The reversal of 201443454055 is 550454344102.

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

It is not a de Polignac number, because 201443454055 - 2⁷ = 201443453927 is a prime.

It is a Duffinian number.

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, 53155 + ... + 636955.

It is an arithmetic number, because the mean of its divisors is an integer number (30217007718).

Almost surely, 2^201443454055 is an apocalyptic number.

201443454055 is a deficient number, since it is larger than the sum of its proper divisors (40292607689).

201443454055 is an equidigital number, since it uses as much as digits as its factorization.

201443454055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652817.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 201443454055 its reverse (550454344102), we get a palindrome (751897798157).

The spelling of 201443454055 in words is "two hundred one billion, four hundred forty-three million, four hundred fifty-four thousand, fifty-five".