445703307545 has 8 divisors (see below), whose sum is σ = 535894746120. Its totient is φ = 355862128000.

The previous prime is 445703307529. The next prime is 445703307607. The reversal of 445703307545 is 545703307544.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 104703369241 + 340999938304 = 323579^2 + 583952^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445703307545 - 2⁴ = 445703307529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445703307545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87561956 + ... + 87567045.

It is an arithmetic number, because the mean of its divisors is an integer number (66986843265).

Almost surely, 2^445703307545 is an apocalyptic number.

It is an amenable number.

445703307545 is a deficient number, since it is larger than the sum of its proper divisors (90191438575).

445703307545 is a wasteful number, since it uses less digits than its factorization.

445703307545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175129515.

The product of its (nonzero) digits is 3528000, while the sum is 47.

Subtracting 445703307545 from its reverse (545703307544), we obtain a palindrome (99999999999).

The spelling of 445703307545 in words is "four hundred forty-five billion, seven hundred three million, three hundred seven thousand, five hundred forty-five".