45185869441 has 4 divisors (see below), whose sum is σ = 46744002900. Its totient is φ = 43627735984.

The previous prime is 45185869363. The next prime is 45185869447. The reversal of 45185869441 is 14496858154.

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 19432360000 + 25753509441 = 139400^2 + 160479^2 .

It is a cyclic number.

It is not a de Polignac number, because 45185869441 - 2¹⁷ = 45185738369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45185869447) 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, 779066686 + ... + 779066743.

It is an arithmetic number, because the mean of its divisors is an integer number (11686000725).

Almost surely, 2^45185869441 is an apocalyptic number.

It is an amenable number.

45185869441 is a deficient number, since it is larger than the sum of its proper divisors (1558133459).

45185869441 is a wasteful number, since it uses less digits than its factorization.

45185869441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558133458.

The product of its digits is 5529600, while the sum is 55.

The spelling of 45185869441 in words is "forty-five billion, one hundred eighty-five million, eight hundred sixty-nine thousand, four hundred forty-one".