201403143 has 6 divisors (see below), whose sum is σ = 290915664. Its totient is φ = 134268756.

The previous prime is 201403133. The next prime is 201403159. The reversal of 201403143 is 341304102.

It is not a de Polignac number, because 201403143 - 2⁶ = 201403079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201403123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11189055 + ... + 11189072.

It is an arithmetic number, because the mean of its divisors is an integer number (48485944).

Almost surely, 2^201403143 is an apocalyptic number.

201403143 is a deficient number, since it is larger than the sum of its proper divisors (89512521).

201403143 is a wasteful number, since it uses less digits than its factorization.

201403143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22378133 (or 22378130 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 201403143 is about 14191.6575141877. The cubic root of 201403143 is about 586.1679668149.

Adding to 201403143 its reverse (341304102), we get a palindrome (542707245).

The spelling of 201403143 in words is "two hundred one million, four hundred three thousand, one hundred forty-three".