142505214 has 16 divisors (see below), whose sum is σ = 285169152. Its totient is φ = 47475288.

The previous prime is 142505179. The next prime is 142505221. The reversal of 142505214 is 412505241.

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, 7317 + ... + 18399.

It is an arithmetic number, because the mean of its divisors is an integer number (17823072).

Almost surely, 2^142505214 is an apocalyptic number.

142505214 is an abundant number, since it is smaller than the sum of its proper divisors (142663938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142505214 is a wasteful number, since it uses less digits than its factorization.

142505214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13231.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 142505214 is about 11937.5547747434. The cubic root of 142505214 is about 522.3283338287.

The spelling of 142505214 in words is "one hundred forty-two million, five hundred five thousand, two hundred fourteen".