2145320214 has 8 divisors (see below), whose sum is σ = 4290640440. Its totient is φ = 715106736.

The previous prime is 2145320209. The next prime is 2145320227. The reversal of 2145320214 is 4120235412.

It is a sphenic number, since it is the product of 3 distinct primes.

2145320214 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178776679 + ... + 178776690.

It is an arithmetic number, because the mean of its divisors is an integer number (536330055).

Almost surely, 2^2145320214 is an apocalyptic number.

2145320214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145320214 is a wasteful number, since it uses less digits than its factorization.

2145320214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357553374.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2145320214 is about 46317.6015570755. The cubic root of 2145320214 is about 1289.7257622683.

Adding to 2145320214 its reverse (4120235412), we get a palindrome (6265555626).

The spelling of 2145320214 in words is "two billion, one hundred forty-five million, three hundred twenty thousand, two hundred fourteen".