45585189505 has 4 divisors (see below), whose sum is σ = 54702227412. Its totient is φ = 36468151600.

The previous prime is 45585189487. The next prime is 45585189509. The reversal of 45585189505 is 50598158554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16929132544 + 28656056961 = 130112^2 + 169281^2 .

It is not a de Polignac number, because 45585189505 - 2³³ = 36995254913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45585189509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4558518946 + ... + 4558518955.

It is an arithmetic number, because the mean of its divisors is an integer number (13675556853).

Almost surely, 2^45585189505 is an apocalyptic number.

It is an amenable number.

45585189505 is a deficient number, since it is larger than the sum of its proper divisors (9117037907).

45585189505 is an equidigital number, since it uses as much as digits as its factorization.

45585189505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9117037906.

The product of its (nonzero) digits is 7200000, while the sum is 55.

The spelling of 45585189505 in words is "forty-five billion, five hundred eighty-five million, one hundred eighty-nine thousand, five hundred five".