214378845 has 16 divisors (see below), whose sum is σ = 343733760. Its totient is φ = 114092864.

The previous prime is 214378841. The next prime is 214378867. The reversal of 214378845 is 548873412.

It is a cyclic number.

It is not a de Polignac number, because 214378845 - 2² = 214378841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214378797 and 214378806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214378841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7734 + ... + 22103.

It is an arithmetic number, because the mean of its divisors is an integer number (21483360).

Almost surely, 2^214378845 is an apocalyptic number.

It is an amenable number.

214378845 is a deficient number, since it is larger than the sum of its proper divisors (129354915).

214378845 is a wasteful number, since it uses less digits than its factorization.

214378845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30324.

The product of its digits is 215040, while the sum is 42.

The square root of 214378845 is about 14641.6817681576. The cubic root of 214378845 is about 598.4951594692.

The spelling of 214378845 in words is "two hundred fourteen million, three hundred seventy-eight thousand, eight hundred forty-five".