214505045 has 8 divisors (see below), whose sum is σ = 262263096. Its totient is φ = 168366016.

The previous prime is 214505023. The next prime is 214505051. The reversal of 214505045 is 540505412.

It can be written as a sum of positive squares in 4 ways, for example, as 43784689 + 170720356 = 6617^2 + 13066^2 .

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 214505045 - 2⁶ = 214504981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404462 + ... + 404991.

It is an arithmetic number, because the mean of its divisors is an integer number (32782887).

Almost surely, 2^214505045 is an apocalyptic number.

It is an amenable number.

214505045 is a deficient number, since it is larger than the sum of its proper divisors (47758051).

214505045 is an equidigital number, since it uses as much as digits as its factorization.

214505045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809511.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 214505045 is about 14645.9907483243. The cubic root of 214505045 is about 598.6125766410.

The spelling of 214505045 in words is "two hundred fourteen million, five hundred five thousand, forty-five".