45545223105 has 40 divisors (see below), whose sum is σ = 83542759872. Its totient is φ = 23725874592.

The previous prime is 45545223091. The next prime is 45545223109. The reversal of 45545223105 is 50132254554.

45545223105 is a `hidden beast` number, since 4 + 5 + 545 + 2 + 2 + 3 + 105 = 666.

It is not a de Polignac number, because 45545223105 - 2¹² = 45545219009 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45545223105.

It is not an unprimeable number, because it can be changed into a prime (45545223109) 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 39 ways as a sum of consecutive naturals, for example, 1290229 + ... + 1325058.

Almost surely, 2^45545223105 is an apocalyptic number.

45545223105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45545223105 is a deficient number, since it is larger than the sum of its proper divisors (37997536767).

45545223105 is a wasteful number, since it uses less digits than its factorization.

45545223105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615347 (or 2615338 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 45545223105 its reverse (50132254554), we get a palindrome (95677477659).

The spelling of 45545223105 in words is "forty-five billion, five hundred forty-five million, two hundred twenty-three thousand, one hundred five".