214481143 has 2 divisors, whose sum is σ = 214481144. Its totient is φ = 214481142.

The previous prime is 214481087. The next prime is 214481159. The reversal of 214481143 is 341184412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214481143 - 2²¹ = 212383991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214481243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107240571 + 107240572.

It is an arithmetic number, because the mean of its divisors is an integer number (107240572).

Almost surely, 2^214481143 is an apocalyptic number.

214481143 is a deficient number, since it is larger than the sum of its proper divisors (1).

214481143 is an equidigital number, since it uses as much as digits as its factorization.

214481143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 28.

The square root of 214481143 is about 14645.1747343622. The cubic root of 214481143 is about 598.5903416251.

The spelling of 214481143 in words is "two hundred fourteen million, four hundred eighty-one thousand, one hundred forty-three".