1447145426725 has 48 divisors (see below), whose sum is σ = 1899803047680. Its totient is φ = 1090473753600.

The previous prime is 1447145426723. The next prime is 1447145426767. The reversal of 1447145426725 is 5276245417441.

It is not a de Polignac number, because 1447145426725 - 2¹ = 1447145426723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447145426723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61787217 + ... + 61810633.

It is an arithmetic number, because the mean of its divisors is an integer number (39579230160).

Almost surely, 2^{1447145426725} is an apocalyptic number.

It is an amenable number.

1447145426725 is a deficient number, since it is larger than the sum of its proper divisors (452657620955).

1447145426725 is a wasteful number, since it uses less digits than its factorization.

1447145426725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24190 (or 24185 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 52.

The spelling of 1447145426725 in words is "one trillion, four hundred forty-seven billion, one hundred forty-five million, four hundred twenty-six thousand, seven hundred twenty-five".