214616645 has 16 divisors (see below), whose sum is σ = 261283968. Its totient is φ = 169216320.

The previous prime is 214616629. The next prime is 214616659. The reversal of 214616645 is 546616412.

It is not a de Polignac number, because 214616645 - 2⁴ = 214616629 is a prime.

It is a super-2 number, since 2×214616645² = 92120608622112050, which contains 22 as substring.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 101792 + ... + 103878.

It is an arithmetic number, because the mean of its divisors is an integer number (16330248).

Almost surely, 2^214616645 is an apocalyptic number.

It is an amenable number.

214616645 is a deficient number, since it is larger than the sum of its proper divisors (46667323).

214616645 is a wasteful number, since it uses less digits than its factorization.

214616645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380.

The product of its digits is 34560, while the sum is 35.

The square root of 214616645 is about 14649.8001692856. The cubic root of 214616645 is about 598.7163715290.

The spelling of 214616645 in words is "two hundred fourteen million, six hundred sixteen thousand, six hundred forty-five".