142270207 has 4 divisors (see below), whose sum is σ = 142897176. Its totient is φ = 141643240.

The previous prime is 142270189. The next prime is 142270213. The reversal of 142270207 is 702072241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142270207 - 2²³ = 133881599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142270267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313144 + ... + 313597.

It is an arithmetic number, because the mean of its divisors is an integer number (35724294).

Almost surely, 2^142270207 is an apocalyptic number.

142270207 is a deficient number, since it is larger than the sum of its proper divisors (626969).

142270207 is an equidigital number, since it uses as much as digits as its factorization.

142270207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626968.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 142270207 is about 11927.7075333024. The cubic root of 142270207 is about 522.0410499467.

The spelling of 142270207 in words is "one hundred forty-two million, two hundred seventy thousand, two hundred seven".