45215040545 has 16 divisors (see below), whose sum is σ = 56018373120. Its totient is φ = 34998902400.

The previous prime is 45215040529. The next prime is 45215040557. The reversal of 45215040545 is 54504051254.

It is not a de Polignac number, because 45215040545 - 2⁴ = 45215040529 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957950 + ... + 1004040.

It is an arithmetic number, because the mean of its divisors is an integer number (3501148320).

Almost surely, 2^45215040545 is an apocalyptic number.

It is an amenable number.

45215040545 is a deficient number, since it is larger than the sum of its proper divisors (10803332575).

45215040545 is a wasteful number, since it uses less digits than its factorization.

45215040545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52456.

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 45215040545 its reverse (54504051254), we get a palindrome (99719091799).

The spelling of 45215040545 in words is "forty-five billion, two hundred fifteen million, forty thousand, five hundred forty-five".