214638143 has 6 divisors (see below), whose sum is σ = 219307536. Its totient is φ = 209973072.

The previous prime is 214638133. The next prime is 214638161. The reversal of 214638143 is 341836412.

It is not a de Polignac number, because 214638143 - 2⁸ = 214637887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214638103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99371 + ... + 101507.

It is an arithmetic number, because the mean of its divisors is an integer number (36551256).

Almost surely, 2^214638143 is an apocalyptic number.

214638143 is a deficient number, since it is larger than the sum of its proper divisors (4669393).

214638143 is an frugal number, since it uses more digits than its factorization.

214638143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321 (or 2184 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 214638143 is about 14650.5338810570. The cubic root of 214638143 is about 598.7363618623.

The spelling of 214638143 in words is "two hundred fourteen million, six hundred thirty-eight thousand, one hundred forty-three".