142210207 has 2 divisors, whose sum is σ = 142210208. Its totient is φ = 142210206.

The previous prime is 142210199. The next prime is 142210217. The reversal of 142210207 is 702012241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142210207 - 2³ = 142210199 is a prime.

It is a super-3 number, since 3×142210207³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142210217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71105103 + 71105104.

It is an arithmetic number, because the mean of its divisors is an integer number (71105104).

Almost surely, 2^142210207 is an apocalyptic number.

142210207 is a deficient number, since it is larger than the sum of its proper divisors (1).

142210207 is an equidigital number, since it uses as much as digits as its factorization.

142210207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 142210207 is about 11925.1921158529. The cubic root of 142210207 is about 521.9676523654.

Adding to 142210207 its reverse (702012241), we get a palindrome (844222448).

The spelling of 142210207 in words is "one hundred forty-two million, two hundred ten thousand, two hundred seven".