201344455 has 16 divisors (see below), whose sum is σ = 260900640. Its totient is φ = 148284288.

The previous prime is 201344453. The next prime is 201344467. The reversal of 201344455 is 554443102.

It is a cyclic number.

It is not a de Polignac number, because 201344455 - 2¹ = 201344453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201344453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21304 + ... + 29266.

It is an arithmetic number, because the mean of its divisors is an integer number (16306290).

Almost surely, 2^201344455 is an apocalyptic number.

201344455 is a deficient number, since it is larger than the sum of its proper divisors (59556185).

201344455 is a wasteful number, since it uses less digits than its factorization.

201344455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8370.

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

The square root of 201344455 is about 14189.5896698953. The cubic root of 201344455 is about 586.1110256849. Note that the first 3 decimals are identical.

Adding to 201344455 its reverse (554443102), we get a palindrome (755787557).

The spelling of 201344455 in words is "two hundred one million, three hundred forty-four thousand, four hundred fifty-five".