214550643 has 4 divisors (see below), whose sum is σ = 286067528. Its totient is φ = 143033760.

The previous prime is 214550617. The next prime is 214550657. The reversal of 214550643 is 346055412.

214550643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 214550643 - 2⁶ = 214550579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214550643.

It is not an unprimeable number, because it can be changed into a prime (214557643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35758438 + ... + 35758443.

It is an arithmetic number, because the mean of its divisors is an integer number (71516882).

Almost surely, 2^214550643 is an apocalyptic number.

214550643 is a deficient number, since it is larger than the sum of its proper divisors (71516885).

214550643 is an equidigital number, since it uses as much as digits as its factorization.

214550643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71516884.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 214550643 is about 14647.5473373531. The cubic root of 214550643 is about 598.6549899440.

The spelling of 214550643 in words is "two hundred fourteen million, five hundred fifty thousand, six hundred forty-three".