142609207 has 8 divisors (see below), whose sum is σ = 158533760. Its totient is φ = 127392480.

The previous prime is 142609183. The next prime is 142609237. The reversal of 142609207 is 702906241.

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

It is a cyclic number.

It is not a de Polignac number, because 142609207 - 2¹¹ = 142607159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142609237) 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, 176532 + ... + 177337.

It is an arithmetic number, because the mean of its divisors is an integer number (19816720).

Almost surely, 2^142609207 is an apocalyptic number.

142609207 is a deficient number, since it is larger than the sum of its proper divisors (15924553).

142609207 is a wasteful number, since it uses less digits than its factorization.

142609207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353913.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 142609207 is about 11941.9096881529. The cubic root of 142609207 is about 522.4553590823.

The spelling of 142609207 in words is "one hundred forty-two million, six hundred nine thousand, two hundred seven".