214675145 has 4 divisors (see below), whose sum is σ = 257610180. Its totient is φ = 171740112.

The previous prime is 214675121. The next prime is 214675157. The reversal of 214675145 is 541576412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54804409 + 159870736 = 7403^2 + 12644^2 .

It is a cyclic number.

It is not a de Polignac number, because 214675145 - 2²⁴ = 197897929 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21467510 + ... + 21467519.

It is an arithmetic number, because the mean of its divisors is an integer number (64402545).

Almost surely, 2^214675145 is an apocalyptic number.

It is an amenable number.

214675145 is a deficient number, since it is larger than the sum of its proper divisors (42935035).

214675145 is an equidigital number, since it uses as much as digits as its factorization.

214675145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42935034.

The product of its digits is 33600, while the sum is 35.

The square root of 214675145 is about 14651.7966475105. The cubic root of 214675145 is about 598.7707657659.

The spelling of 214675145 in words is "two hundred fourteen million, six hundred seventy-five thousand, one hundred forty-five".