214289645 has 8 divisors (see below), whose sum is σ = 261363480. Its totient is φ = 168621120.

The previous prime is 214289629. The next prime is 214289659. The reversal of 214289645 is 546982412.

It can be written as a sum of positive squares in 4 ways, for example, as 15507844 + 198781801 = 3938^2 + 14099^2 .

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

It is not a de Polignac number, because 214289645 - 2⁴ = 214289629 is a prime.

It is a super-3 number, since 3×214289645³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350990 + ... + 351599.

It is an arithmetic number, because the mean of its divisors is an integer number (32670435).

Almost surely, 2^214289645 is an apocalyptic number.

It is an amenable number.

214289645 is a deficient number, since it is larger than the sum of its proper divisors (47073835).

214289645 is an equidigital number, since it uses as much as digits as its factorization.

214289645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702655.

The product of its digits is 138240, while the sum is 41.

The square root of 214289645 is about 14638.6353530648. The cubic root of 214289645 is about 598.4121395016.

The spelling of 214289645 in words is "two hundred fourteen million, two hundred eighty-nine thousand, six hundred forty-five".