142200229 has 2 divisors, whose sum is σ = 142200230. Its totient is φ = 142200228.

The previous prime is 142200221. The next prime is 142200241. The reversal of 142200229 is 922002241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140968129 + 1232100 = 11873^2 + 1110^2 .

It is an emirp because it is prime and its reverse (922002241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142200229 - 2³ = 142200221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142200221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71100114 + 71100115.

It is an arithmetic number, because the mean of its divisors is an integer number (71100115).

Almost surely, 2^142200229 is an apocalyptic number.

It is an amenable number.

142200229 is a deficient number, since it is larger than the sum of its proper divisors (1).

142200229 is an equidigital number, since it uses as much as digits as its factorization.

142200229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 142200229 is about 11924.7737504743. The cubic root of 142200229 is about 521.9554443457.

The spelling of 142200229 in words is "one hundred forty-two million, two hundred thousand, two hundred twenty-nine".