142860205 has 8 divisors (see below), whose sum is σ = 171535104. Its totient is φ = 114219600.

The previous prime is 142860191. The next prime is 142860217. The reversal of 142860205 is 502068241.

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

It is not a de Polignac number, because 142860205 - 2²⁵ = 109305773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720 + ... + 16990.

It is an arithmetic number, because the mean of its divisors is an integer number (21441888).

Almost surely, 2^142860205 is an apocalyptic number.

It is an amenable number.

142860205 is a deficient number, since it is larger than the sum of its proper divisors (28674899).

142860205 is a wasteful number, since it uses less digits than its factorization.

142860205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17147.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 142860205 is about 11952.4141912837. The cubic root of 142860205 is about 522.7616936536.

The spelling of 142860205 in words is "one hundred forty-two million, eight hundred sixty thousand, two hundred five".