201143453 has 8 divisors (see below), whose sum is σ = 230698560. Its totient is φ = 171793440.

The previous prime is 201143399. The next prime is 201143461. The reversal of 201143453 is 354341102.

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

It is not a de Polignac number, because 201143453 - 2⁶ = 201143389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201143153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49163 + ... + 53096.

It is an arithmetic number, because the mean of its divisors is an integer number (28837320).

Almost surely, 2^201143453 is an apocalyptic number.

It is an amenable number.

201143453 is a deficient number, since it is larger than the sum of its proper divisors (29555107).

201143453 is a wasteful number, since it uses less digits than its factorization.

201143453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102547.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 201143453 is about 14182.5051736285. The cubic root of 201143453 is about 585.9159226989.

Adding to 201143453 its reverse (354341102), we get a palindrome (555484555).

The spelling of 201143453 in words is "two hundred one million, one hundred forty-three thousand, four hundred fifty-three".