545545120144 has 10 divisors (see below), whose sum is σ = 1056993670310. Its totient is φ = 272772560064.

The previous prime is 545545120091. The next prime is 545545120163. The reversal of 545545120144 is 441021545545.

It can be written as a sum of positive squares in only one way, i.e., 480526240000 + 65018880144 = 693200^2 + 254988^2 .

It is a super-2 number, since 2×545545120144² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545545120097 and 545545120106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17048284989 + ... + 17048285020.

It is an arithmetic number, because the mean of its divisors is an integer number (105699367031).

Almost surely, 2^545545120144 is an apocalyptic number.

It is an amenable number.

545545120144 is a deficient number, since it is larger than the sum of its proper divisors (511448550166).

545545120144 is a wasteful number, since it uses less digits than its factorization.

545545120144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34096570017 (or 34096570011 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

Adding to 545545120144 its reverse (441021545545), we get a palindrome (986566665689).

The spelling of 545545120144 in words is "five hundred forty-five billion, five hundred forty-five million, one hundred twenty thousand, one hundred forty-four".