1445472240447 has 8 divisors (see below), whose sum is σ = 1934624444544. Its totient is φ = 959984098328.

The previous prime is 1445472240419. The next prime is 1445472240451. The reversal of 1445472240447 is 7440422745441.

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 1445472240447 - 2⁶ = 1445472240383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1445472240396 and 1445472240405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445472240547) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 916014573 + ... + 916016150.

It is an arithmetic number, because the mean of its divisors is an integer number (241828055568).

Almost surely, 2^{1445472240447} is an apocalyptic number.

1445472240447 is a deficient number, since it is larger than the sum of its proper divisors (489152204097).

1445472240447 is a wasteful number, since it uses less digits than its factorization.

1445472240447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832030989.

The product of its (nonzero) digits is 4014080, while the sum is 48.

Adding to 1445472240447 its reverse (7440422745441), we get a palindrome (8885894985888).

The spelling of 1445472240447 in words is "one trillion, four hundred forty-five billion, four hundred seventy-two million, two hundred forty thousand, four hundred forty-seven".