45545240345 has 24 divisors (see below), whose sum is σ = 63608359752. Its totient is φ = 31175344640.

The previous prime is 45545240339. The next prime is 45545240359. The reversal of 45545240345 is 54304254554.

It can be written as a sum of positive squares in 4 ways, for example, as 1721586064 + 43823654281 = 41492^2 + 209341^2 .

It is not a de Polignac number, because 45545240345 - 2⁶ = 45545240281 is a prime.

It is a super-3 number, since 3×45545240345³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 2203874 + ... + 2224443.

It is an arithmetic number, because the mean of its divisors is an integer number (2650348323).

Almost surely, 2^45545240345 is an apocalyptic number.

It is an amenable number.

45545240345 is a deficient number, since it is larger than the sum of its proper divisors (18063119407).

45545240345 is a wasteful number, since it uses less digits than its factorization.

45545240345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428361 (or 4428350 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 41.

Adding to 45545240345 its reverse (54304254554), we get a palindrome (99849494899).

The spelling of 45545240345 in words is "forty-five billion, five hundred forty-five million, two hundred forty thousand, three hundred forty-five".