214454805 has 32 divisors (see below), whose sum is σ = 370016640. Its totient is φ = 105707520.

The previous prime is 214454789. The next prime is 214454837. The reversal of 214454805 is 508454412.

It is a happy number.

It is not a de Polignac number, because 214454805 - 2⁴ = 214454789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2509 + ... + 20861.

It is an arithmetic number, because the mean of its divisors is an integer number (11563020).

Almost surely, 2^214454805 is an apocalyptic number.

It is an amenable number.

214454805 is a deficient number, since it is larger than the sum of its proper divisors (155561835).

214454805 is a wasteful number, since it uses less digits than its factorization.

214454805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18421.

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 214454805 is about 14644.2755027348. The cubic root of 214454805 is about 598.5658385886.

The spelling of 214454805 in words is "two hundred fourteen million, four hundred fifty-four thousand, eight hundred five".