142142214 has 16 divisors (see below), whose sum is σ = 284627952. Its totient is φ = 47323488.

The previous prime is 142142183. The next prime is 142142227. The reversal of 142142214 is 412241241.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8769 + ... + 19004.

It is an arithmetic number, because the mean of its divisors is an integer number (17789247).

Almost surely, 2^142142214 is an apocalyptic number.

142142214 is an abundant number, since it is smaller than the sum of its proper divisors (142485738).

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

142142214 is a wasteful number, since it uses less digits than its factorization.

142142214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28631.

The product of its digits is 512, while the sum is 21.

The square root of 142142214 is about 11922.3409614052. The cubic root of 142142214 is about 521.8844520453.

Adding to 142142214 its reverse (412241241), we get a palindrome (554383455).

The spelling of 142142214 in words is "one hundred forty-two million, one hundred forty-two thousand, two hundred fourteen".