214545345 has 16 divisors (see below), whose sum is σ = 392311680. Its totient is φ = 98077824.

The previous prime is 214545341. The next prime is 214545349. The reversal of 214545345 is 543545412.

214545345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (214545341) and next prime (214545349).

It is not a de Polignac number, because 214545345 - 2² = 214545341 is a prime.

It is a super-2 number, since 2×214545345² = 92059410122338050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214545341) 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, 1021540 + ... + 1021749.

It is an arithmetic number, because the mean of its divisors is an integer number (24519480).

Almost surely, 2^214545345 is an apocalyptic number.

It is an amenable number.

214545345 is a deficient number, since it is larger than the sum of its proper divisors (177766335).

214545345 is a wasteful number, since it uses less digits than its factorization.

214545345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043304.

The product of its digits is 48000, while the sum is 33.

The square root of 214545345 is about 14647.3664868467. The cubic root of 214545345 is about 598.6500622803.

The spelling of 214545345 in words is "two hundred fourteen million, five hundred forty-five thousand, three hundred forty-five".