214545 has 8 divisors (see below), whose sum is σ = 343296. Its totient is φ = 114416.

The previous prime is 214541. The next prime is 214559. The reversal of 214545 is 545412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214545 - 2² = 214541 is a prime.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 214545.

It is not an unprimeable number, because it can be changed into a prime (214541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7137 + ... + 7166.

It is an arithmetic number, because the mean of its divisors is an integer number (42912).

2²¹⁴⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

214545 is a deficient number, since it is larger than the sum of its proper divisors (128751).

214545 is a wasteful number, since it uses less digits than its factorization.

214545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14311.

The product of its digits is 800, while the sum is 21.

The square root of 214545 is about 463.1900257993. The cubic root of 214545 is about 59.8649741393.

Adding to 214545 its reverse (545412), we get a palindrome (759957).

The spelling of 214545 in words is "two hundred fourteen thousand, five hundred forty-five".