201142141 has 2 divisors, whose sum is σ = 201142142. Its totient is φ = 201142140.

The previous prime is 201142133. The next prime is 201142171. The reversal of 201142141 is 141241102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200817241 + 324900 = 14171^2 + 570^2 .

It is a cyclic number.

It is not a de Polignac number, because 201142141 - 2³ = 201142133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201142171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100571070 + 100571071.

It is an arithmetic number, because the mean of its divisors is an integer number (100571071).

Almost surely, 2^201142141 is an apocalyptic number.

It is an amenable number.

201142141 is a deficient number, since it is larger than the sum of its proper divisors (1).

201142141 is an equidigital number, since it uses as much as digits as its factorization.

201142141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 201142141 is about 14182.4589193835. The cubic root of 201142141 is about 585.9146487766.

Adding to 201142141 its reverse (141241102), we get a palindrome (342383243).

The spelling of 201142141 in words is "two hundred one million, one hundred forty-two thousand, one hundred forty-one".