201400143 has 12 divisors (see below), whose sum is σ = 312375960. Its totient is φ = 115085712.

The previous prime is 201400127. The next prime is 201400153. The reversal of 201400143 is 341004102.

It is not a de Polignac number, because 201400143 - 2⁴ = 201400127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201400103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 684888 + ... + 685181.

It is an arithmetic number, because the mean of its divisors is an integer number (26031330).

Almost surely, 2^201400143 is an apocalyptic number.

201400143 is a deficient number, since it is larger than the sum of its proper divisors (110975817).

201400143 is a wasteful number, since it uses less digits than its factorization.

201400143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370086 (or 1370079 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 201400143 is about 14191.5518178950. The cubic root of 201400143 is about 586.1650563793.

Adding to 201400143 its reverse (341004102), we get a palindrome (542404245).

The spelling of 201400143 in words is "two hundred one million, four hundred thousand, one hundred forty-three".