6445144101 has 8 divisors (see below), whose sum is σ = 9374755104. Its totient is φ = 3906147920.

The previous prime is 6445144081. The next prime is 6445144103. The reversal of 6445144101 is 1014415446.

6445144101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6445144101 - 2⁹ = 6445143589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445144103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97653666 + ... + 97653731.

It is an arithmetic number, because the mean of its divisors is an integer number (1171844388).

Almost surely, 2^6445144101 is an apocalyptic number.

It is an amenable number.

6445144101 is a deficient number, since it is larger than the sum of its proper divisors (2929611003).

6445144101 is a wasteful number, since it uses less digits than its factorization.

6445144101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195307411.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 6445144101 is about 80281.6548222569. The cubic root of 6445144101 is about 1860.9907333184.

Adding to 6445144101 its reverse (1014415446), we get a palindrome (7459559547).

The spelling of 6445144101 in words is "six billion, four hundred forty-five million, one hundred forty-four thousand, one hundred one".