1445723609884 has 12 divisors (see below), whose sum is σ = 2530457357344. Its totient is φ = 722735793504.

The previous prime is 1445723609881. The next prime is 1445723609899. The reversal of 1445723609884 is 4889063275441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445723609881) 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, 31477044 + ... + 31522939.

It is a 1-persistent number, because it is pandigital, but 2⋅1445723609884 = 2891447219768 is not.

Almost surely, 2^{1445723609884} is an apocalyptic number.

It is an amenable number.

1445723609884 is a deficient number, since it is larger than the sum of its proper divisors (1084733747460).

1445723609884 is a wasteful number, since it uses less digits than its factorization.

1445723609884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63005724 (or 63005722 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 1445723609884 in words is "one trillion, four hundred forty-five billion, seven hundred twenty-three million, six hundred nine thousand, eight hundred eighty-four".