45441452038545 has 24 divisors (see below), whose sum is σ = 78976350274536. Its totient is φ = 24170466705408.

The previous prime is 45441452038513. The next prime is 45441452038559. The reversal of 45441452038545 is 54583025414454.

45441452038545 is a `hidden beast` number, since 4 + 5 + 4 + 4 + 1 + 45 + 20 + 38 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7960168176129 + 37481283862416 = 2821377^2 + 6122196^2 .

It is not a de Polignac number, because 45441452038545 - 2⁵ = 45441452038513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45441452038491 and 45441452038500.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1353615984 + ... + 1353649553.

It is an arithmetic number, because the mean of its divisors is an integer number (3290681261439).

Almost surely, 2^{45441452038545} is an apocalyptic number.

45441452038545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45441452038545 is a deficient number, since it is larger than the sum of its proper divisors (33534898235991).

45441452038545 is a wasteful number, since it uses less digits than its factorization.

45441452038545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707265921 (or 2707265918 counting only the distinct ones).

The product of its (nonzero) digits is 30720000, while the sum is 54.

The spelling of 45441452038545 in words is "forty-five trillion, four hundred forty-one billion, four hundred fifty-two million, thirty-eight thousand, five hundred forty-five".