1535445244445 has 32 divisors (see below), whose sum is σ = 2122635829248. Its totient is φ = 1044437925888.

The previous prime is 1535445244441. The next prime is 1535445244507. The reversal of 1535445244445 is 5444425445351.

It is not a de Polignac number, because 1535445244445 - 2² = 1535445244441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1535445244393 and 1535445244402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535445244441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37819997 + ... + 37860573.

It is an arithmetic number, because the mean of its divisors is an integer number (66332369664).

Almost surely, 2^{1535445244445} is an apocalyptic number.

It is an amenable number.

1535445244445 is a deficient number, since it is larger than the sum of its proper divisors (587190584803).

1535445244445 is a wasteful number, since it uses less digits than its factorization.

1535445244445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49229.

The product of its digits is 15360000, while the sum is 50.

The spelling of 1535445244445 in words is "one trillion, five hundred thirty-five billion, four hundred forty-five million, two hundred forty-four thousand, four hundred forty-five".