4405214432545 has 4 divisors (see below), whose sum is σ = 5286257319060. Its totient is φ = 3524171546032.

The previous prime is 4405214432527. The next prime is 4405214432557. The reversal of 4405214432545 is 5452344125044.

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 471561010209 + 3933653422336 = 686703^2 + 1983344^2 .

It is a cyclic number.

It is not a de Polignac number, because 4405214432545 - 2⁵ = 4405214432513 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 440521443250 + ... + 440521443259.

It is an arithmetic number, because the mean of its divisors is an integer number (1321564329765).

Almost surely, 2^{4405214432545} is an apocalyptic number.

It is an amenable number.

4405214432545 is a deficient number, since it is larger than the sum of its proper divisors (881042886515).

4405214432545 is an equidigital number, since it uses as much as digits as its factorization.

4405214432545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881042886514.

The product of its (nonzero) digits is 1536000, while the sum is 43.

Adding to 4405214432545 its reverse (5452344125044), we get a palindrome (9857558557589).

The spelling of 4405214432545 in words is "four trillion, four hundred five billion, two hundred fourteen million, four hundred thirty-two thousand, five hundred forty-five".