142917207 has 8 divisors (see below), whose sum is σ = 190876800. Its totient is φ = 95117880.

The previous prime is 142917169. The next prime is 142917253. The reversal of 142917207 is 702719241.

142917207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142917207 - 2⁸ = 142916951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142917277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37969 + ... + 41562.

It is an arithmetic number, because the mean of its divisors is an integer number (23859600).

Almost surely, 2^142917207 is an apocalyptic number.

142917207 is a deficient number, since it is larger than the sum of its proper divisors (47959593).

142917207 is an equidigital number, since it uses as much as digits as its factorization.

142917207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80133.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 142917207 is about 11954.7984926556. The cubic root of 142917207 is about 522.8312126628.

The spelling of 142917207 in words is "one hundred forty-two million, nine hundred seventeen thousand, two hundred seven".