2145664620114 has 8 divisors (see below), whose sum is σ = 4291329240240. Its totient is φ = 715221540036.

The previous prime is 2145664620103. The next prime is 2145664620193. The reversal of 2145664620114 is 4110264665412.

It is a happy number.

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

2145664620114 is an admirable 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, 178805385004 + ... + 178805385015.

It is an arithmetic number, because the mean of its divisors is an integer number (536416155030).

Almost surely, 2^{2145664620114} is an apocalyptic number.

2145664620114 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.

2145664620114 is a wasteful number, since it uses less digits than its factorization.

2145664620114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357610770024.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 2145664620114 in words is "two trillion, one hundred forty-five billion, six hundred sixty-four million, six hundred twenty thousand, one hundred fourteen".