45545020641 has 24 divisors (see below), whose sum is σ = 66323479040. Its totient is φ = 30116274336.

The previous prime is 45545020639. The next prime is 45545020657. The reversal of 45545020641 is 14602054554.

45545020641 is a `hidden beast` number, since 4 + 5 + 5 + 4 + 5 + 0 + 2 + 0 + 641 = 666.

It is not a de Polignac number, because 45545020641 - 2¹ = 45545020639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45545020596 and 45545020605.

It is not an unprimeable number, because it can be changed into a prime (45545020621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1343091 + ... + 1376583.

Almost surely, 2^45545020641 is an apocalyptic number.

It is an amenable number.

45545020641 is a deficient number, since it is larger than the sum of its proper divisors (20778458399).

45545020641 is a wasteful number, since it uses less digits than its factorization.

45545020641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34725 (or 34722 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 45545020641 in words is "forty-five billion, five hundred forty-five million, twenty thousand, six hundred forty-one".