142908207 has 32 divisors (see below), whose sum is σ = 210470400. Its totient is φ = 85713792.

The previous prime is 142908203. The next prime is 142908209. The reversal of 142908207 is 702809241.

It is a happy number.

142908207 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 142908207 - 2² = 142908203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142908203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397894 + ... + 398252.

It is an arithmetic number, because the mean of its divisors is an integer number (6577200).

Almost surely, 2^142908207 is an apocalyptic number.

142908207 is a deficient number, since it is larger than the sum of its proper divisors (67562193).

142908207 is a wasteful number, since it uses less digits than its factorization.

142908207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 142908207 is about 11954.4220688413. The cubic root of 142908207 is about 522.8202375913.

The spelling of 142908207 in words is "one hundred forty-two million, nine hundred eight thousand, two hundred seven".