1445461431969 has 8 divisors (see below), whose sum is σ = 2040651433440. Its totient is φ = 906956192576.

The previous prime is 1445461431893. The next prime is 1445461432069. The reversal of 1445461431969 is 9691341645441.

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 1445461431969 - 2⁹ = 1445461431457 is a prime.

It is a super-2 number, since 2×1445461431969² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1445461435969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14171190459 + ... + 14171190560.

It is an arithmetic number, because the mean of its divisors is an integer number (255081429180).

Almost surely, 2^{1445461431969} is an apocalyptic number.

It is an amenable number.

1445461431969 is a deficient number, since it is larger than the sum of its proper divisors (595190001471).

1445461431969 is a wasteful number, since it uses less digits than its factorization.

1445461431969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28342381039.

The product of its digits is 11197440, while the sum is 57.

The spelling of 1445461431969 in words is "one trillion, four hundred forty-five billion, four hundred sixty-one million, four hundred thirty-one thousand, nine hundred sixty-nine".