45455045505 has 16 divisors (see below), whose sum is σ = 73813568064. Its totient is φ = 23880859200.

The previous prime is 45455045501. The next prime is 45455045507. The reversal of 45455045505 is 50554055454.

It is not a de Polignac number, because 45455045505 - 2² = 45455045501 is a prime.

It is a super-2 number, since 2×45455045505² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45455045501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22613446 + ... + 22615455.

It is an arithmetic number, because the mean of its divisors is an integer number (4613348004).

Almost surely, 2^45455045505 is an apocalyptic number.

It is an amenable number.

45455045505 is a deficient number, since it is larger than the sum of its proper divisors (28358522559).

45455045505 is a wasteful number, since it uses less digits than its factorization.

45455045505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45228976.

The product of its (nonzero) digits is 1000000, while the sum is 42.

The spelling of 45455045505 in words is "forty-five billion, four hundred fifty-five million, forty-five thousand, five hundred five".