142705214 has 16 divisors (see below), whose sum is σ = 222929280. Its totient is φ = 68436480.

The previous prime is 142705193. The next prime is 142705217. The reversal of 142705214 is 412507241.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142705217) 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, 3179 + ... + 17190.

It is an arithmetic number, because the mean of its divisors is an integer number (13933080).

Almost surely, 2^142705214 is an apocalyptic number.

142705214 is a deficient number, since it is larger than the sum of its proper divisors (80224066).

142705214 is a wasteful number, since it uses less digits than its factorization.

142705214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20515.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 142705214 is about 11945.9287625534. The cubic root of 142705214 is about 522.5725747957.

The spelling of 142705214 in words is "one hundred forty-two million, seven hundred five thousand, two hundred fourteen".