142234201 has 2 divisors, whose sum is σ = 142234202. Its totient is φ = 142234200.

The previous prime is 142234187. The next prime is 142234217. The reversal of 142234201 is 102432241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94070601 + 48163600 = 9699^2 + 6940^2 .

It is a cyclic number.

It is not a de Polignac number, because 142234201 - 2¹⁹ = 141709913 is a prime.

It is a Chen prime.

It is equal to p_8031214 and since 142234201 and 8031214 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (142237201) 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 as a sum of consecutive naturals, namely, 71117100 + 71117101.

It is an arithmetic number, because the mean of its divisors is an integer number (71117101).

Almost surely, 2^142234201 is an apocalyptic number.

It is an amenable number.

142234201 is a deficient number, since it is larger than the sum of its proper divisors (1).

142234201 is an equidigital number, since it uses as much as digits as its factorization.

142234201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142234201 is about 11926.1980949505. The cubic root of 142234201 is about 521.9970065349.

Adding to 142234201 its reverse (102432241), we get a palindrome (244666442).

The spelling of 142234201 in words is "one hundred forty-two million, two hundred thirty-four thousand, two hundred one".