142214236 has 48 divisors (see below), whose sum is σ = 266936320. Its totient is φ = 66173760.

The previous prime is 142214213. The next prime is 142214269. The reversal of 142214236 is 632412241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142214236.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637621 + ... + 637843.

Almost surely, 2^142214236 is an apocalyptic number.

It is an amenable number.

142214236 is a deficient number, since it is larger than the sum of its proper divisors (124722084).

142214236 is a wasteful number, since it uses less digits than its factorization.

142214236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 432 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 142214236 is about 11925.3610427525. The cubic root of 142214236 is about 521.9725816595.

Adding to 142214236 its reverse (632412241), we get a palindrome (774626477).

The spelling of 142214236 in words is "one hundred forty-two million, two hundred fourteen thousand, two hundred thirty-six".