214142305 has 16 divisors (see below), whose sum is σ = 288771840. Its totient is φ = 151259328.

The previous prime is 214142297. The next prime is 214142323. The reversal of 214142305 is 503241412.

It is a cyclic number.

It is not a de Polignac number, because 214142305 - 2³ = 214142297 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 70125 + ... + 73114.

It is an arithmetic number, because the mean of its divisors is an integer number (18048240).

Almost surely, 2^214142305 is an apocalyptic number.

It is an amenable number.

214142305 is a deficient number, since it is larger than the sum of its proper divisors (74629535).

214142305 is a wasteful number, since it uses less digits than its factorization.

214142305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143280.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 214142305 is about 14633.6019147714. The cubic root of 214142305 is about 598.2749571688.

Adding to 214142305 its reverse (503241412), we get a palindrome (717383717).

The spelling of 214142305 in words is "two hundred fourteen million, one hundred forty-two thousand, three hundred five".