142214605 has 32 divisors (see below), whose sum is σ = 195955200. Its totient is φ = 98153472.

The previous prime is 142214599. The next prime is 142214623. The reversal of 142214605 is 506412241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142214605 - 2⁵ = 142214573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142214605.

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 31 ways as a sum of consecutive naturals, for example, 197436 + ... + 198154.

It is an arithmetic number, because the mean of its divisors is an integer number (6123600).

Almost surely, 2^142214605 is an apocalyptic number.

It is an amenable number.

142214605 is a deficient number, since it is larger than the sum of its proper divisors (53740595).

142214605 is a wasteful number, since it uses less digits than its factorization.

142214605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 142214605 is about 11925.3765139722. The cubic root of 142214605 is about 521.9730331092.

Adding to 142214605 its reverse (506412241), we get a palindrome (648626846).

The spelling of 142214605 in words is "one hundred forty-two million, two hundred fourteen thousand, six hundred five".