201455 has 8 divisors (see below), whose sum is σ = 247632. Its totient is φ = 157248.

The previous prime is 201451. The next prime is 201473. The reversal of 201455 is 554102.

201455 is nontrivially palindromic in base 13.

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

It is a cyclic number.

It is not a de Polignac number, because 201455 - 2² = 201451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 201455.

It is not an unprimeable number, because it can be changed into a prime (201451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254 + ... + 683.

It is an arithmetic number, because the mean of its divisors is an integer number (30954).

2²⁰¹⁴⁵⁵ is an apocalyptic number.

201455 is a deficient number, since it is larger than the sum of its proper divisors (46177).

201455 is an equidigital number, since it uses as much as digits as its factorization.

201455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 201455 is about 448.8373870345. The cubic root of 201455 is about 58.6218271068.

Adding to 201455 its reverse (554102), we get a palindrome (755557).

It can be divided in two parts, 201 and 455, that added together give a palindrome (656).

The spelling of 201455 in words is "two hundred one thousand, four hundred fifty-five".