445040144525 has 6 divisors (see below), whose sum is σ = 551849779242. Its totient is φ = 356032115600.

The previous prime is 445040144489. The next prime is 445040144531. The reversal of 445040144525 is 525441040544.

It can be written as a sum of positive squares in 3 ways, for example, as 12978449929 + 432061694596 = 113923^2 + 657314^2 .

It is not a de Polignac number, because 445040144525 - 2²⁴ = 445023367309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8900802866 + ... + 8900802915.

It is an arithmetic number, because the mean of its divisors is an integer number (91974963207).

Almost surely, 2^445040144525 is an apocalyptic number.

It is an amenable number.

445040144525 is a deficient number, since it is larger than the sum of its proper divisors (106809634717).

445040144525 is a wasteful number, since it uses less digits than its factorization.

445040144525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17801605791 (or 17801605786 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 38.

The spelling of 445040144525 in words is "four hundred forty-five billion, forty million, one hundred forty-four thousand, five hundred twenty-five".