7145447441 has 4 divisors (see below), whose sum is σ = 7795033584. Its totient is φ = 6495861300.

The previous prime is 7145447417. The next prime is 7145447509. The reversal of 7145447441 is 1447445417.

7145447441 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7145447441 - 2³⁰ = 6071705617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7145437441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324793055 + ... + 324793076.

It is an arithmetic number, because the mean of its divisors is an integer number (1948758396).

Almost surely, 2^7145447441 is an apocalyptic number.

It is an amenable number.

7145447441 is a deficient number, since it is larger than the sum of its proper divisors (649586143).

7145447441 is a wasteful number, since it uses less digits than its factorization.

7145447441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649586142.

The product of its digits is 250880, while the sum is 41.

The square root of 7145447441 is about 84530.7484942610. The cubic root of 7145447441 is about 1926.0895561042.

The spelling of 7145447441 in words is "seven billion, one hundred forty-five million, four hundred forty-seven thousand, four hundred forty-one".