614143812 has 12 divisors (see below), whose sum is σ = 1433002256. Its totient is φ = 204714600.

The previous prime is 614143811. The next prime is 614143843. The reversal of 614143812 is 218341416.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 614143812.

It is not an unprimeable number, because it can be changed into a prime (614143811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25589314 + ... + 25589337.

Almost surely, 2^614143812 is an apocalyptic number.

It is an amenable number.

614143812 is an abundant number, since it is smaller than the sum of its proper divisors (818858444).

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

614143812 is a wasteful number, since it uses less digits than its factorization.

614143812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51178658 (or 51178656 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 614143812 is about 24781.9251068193. The cubic root of 614143812 is about 850.0086790348.

The spelling of 614143812 in words is "six hundred fourteen million, one hundred forty-three thousand, eight hundred twelve".