14145545644 has 48 divisors (see below), whose sum is σ = 26496288000. Its totient is φ = 6593126400.

The previous prime is 14145545641. The next prime is 14145545647. The reversal of 14145545644 is 44654554141.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14145545641) and next prime (14145545647).

It is a self number, because there is not a number n which added to its sum of digits gives 14145545644.

It is not an unprimeable number, because it can be changed into a prime (14145545641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1610224 + ... + 1618984.

It is an arithmetic number, because the mean of its divisors is an integer number (552006000).

Almost surely, 2^14145545644 is an apocalyptic number.

It is an amenable number.

14145545644 is a deficient number, since it is larger than the sum of its proper divisors (12350742356).

14145545644 is a wasteful number, since it uses less digits than its factorization.

14145545644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274 (or 9272 counting only the distinct ones).

The product of its digits is 768000, while the sum is 43.

The spelling of 14145545644 in words is "fourteen billion, one hundred forty-five million, five hundred forty-five thousand, six hundred forty-four".