445243342548 has 12 divisors (see below), whose sum is σ = 1038901132640. Its totient is φ = 148414447512.

The previous prime is 445243342547. The next prime is 445243342559. The reversal of 445243342548 is 845243342544.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 445243342497 and 445243342506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445243342547) 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, 18551805928 + ... + 18551805951.

Almost surely, 2^445243342548 is an apocalyptic number.

It is an amenable number.

445243342548 is an abundant number, since it is smaller than the sum of its proper divisors (593657790092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445243342548 is a wasteful number, since it uses less digits than its factorization.

445243342548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37103611886 (or 37103611884 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 48.

The spelling of 445243342548 in words is "four hundred forty-five billion, two hundred forty-three million, three hundred forty-two thousand, five hundred forty-eight".