445245535013 has 12 divisors (see below), whose sum is σ = 470480036940. Its totient is φ = 421302456576.

The previous prime is 445245534973. The next prime is 445245535037. The reversal of 445245535013 is 310535542544.

It can be written as a sum of positive squares in 2 ways, for example, as 327787165729 + 117458369284 = 572527^2 + 342722^2 .

It is not a de Polignac number, because 445245535013 - 2⁸ = 445245534757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445245535513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444620 + ... + 1043157.

It is an arithmetic number, because the mean of its divisors is an integer number (39206669745).

Almost surely, 2^445245535013 is an apocalyptic number.

It is an amenable number.

445245535013 is a deficient number, since it is larger than the sum of its proper divisors (25234501927).

445245535013 is a wasteful number, since it uses less digits than its factorization.

445245535013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488644 (or 1488625 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 445245535013 in words is "four hundred forty-five billion, two hundred forty-five million, five hundred thirty-five thousand, thirteen".