214543474 has 4 divisors (see below), whose sum is σ = 321815214. Its totient is φ = 107271736.

The previous prime is 214543457. The next prime is 214543481. The reversal of 214543474 is 474345412.

214543474 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 can be written as a sum of positive squares in only one way, i.e., 214417449 + 126025 = 14643^2 + 355^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53635867 + ... + 53635870.

Almost surely, 2^214543474 is an apocalyptic number.

214543474 is a deficient number, since it is larger than the sum of its proper divisors (107271740).

214543474 is a wasteful number, since it uses less digits than its factorization.

214543474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107271739.

The product of its digits is 53760, while the sum is 34.

The square root of 214543474 is about 14647.3026185711. The cubic root of 214543474 is about 598.6483220460.

Adding to 214543474 its reverse (474345412), we get a palindrome (688888886).

The spelling of 214543474 in words is "two hundred fourteen million, five hundred forty-three thousand, four hundred seventy-four".