142225207 has 2 divisors, whose sum is σ = 142225208. Its totient is φ = 142225206.

The previous prime is 142225199. The next prime is 142225219. The reversal of 142225207 is 702522241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142225207 - 2³ = 142225199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142225277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71112603 + 71112604.

It is an arithmetic number, because the mean of its divisors is an integer number (71112604).

Almost surely, 2^142225207 is an apocalyptic number.

142225207 is a deficient number, since it is larger than the sum of its proper divisors (1).

142225207 is an equidigital number, since it uses as much as digits as its factorization.

142225207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 142225207 is about 11925.8210199550. The cubic root of 142225207 is about 521.9860036959.

Adding to 142225207 its reverse (702522241), we get a palindrome (844747448).

The spelling of 142225207 in words is "one hundred forty-two million, two hundred twenty-five thousand, two hundred seven".