14205445645 has 4 divisors (see below), whose sum is σ = 17046534780. Its totient is φ = 11364356512.

The previous prime is 14205445619. The next prime is 14205445693. The reversal of 14205445645 is 54654450241.

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 7817919561 + 6387526084 = 88419^2 + 79922^2 .

It is a cyclic number.

It is not a de Polignac number, because 14205445645 - 2¹³ = 14205437453 is a prime.

It is a super-3 number, since 3×14205445645³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14205445598 and 14205445607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420544560 + ... + 1420544569.

It is an arithmetic number, because the mean of its divisors is an integer number (4261633695).

Almost surely, 2^14205445645 is an apocalyptic number.

It is an amenable number.

14205445645 is a deficient number, since it is larger than the sum of its proper divisors (2841089135).

14205445645 is an equidigital number, since it uses as much as digits as its factorization.

14205445645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841089134.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 14205445645 its reverse (54654450241), we get a palindrome (68859895886).

The spelling of 14205445645 in words is "fourteen billion, two hundred five million, four hundred forty-five thousand, six hundred forty-five".