545221215153 has 40 divisors (see below), whose sum is σ = 850893765480. Its totient is φ = 347472115200.

The previous prime is 545221215131. The next prime is 545221215197. The reversal of 545221215153 is 351512122545.

545221215153 is a `hidden beast` number, since 5 + 4 + 522 + 121 + 5 + 1 + 5 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 220991189409 + 324230025744 = 470097^2 + 569412^2 .

It is not a de Polignac number, because 545221215153 - 2⁶ = 545221215089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545221215953) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 911800 + ... + 1386297.

It is an arithmetic number, because the mean of its divisors is an integer number (21272344137).

Almost surely, 2^545221215153 is an apocalyptic number.

It is an amenable number.

545221215153 is a deficient number, since it is larger than the sum of its proper divisors (305672550327).

545221215153 is a wasteful number, since it uses less digits than its factorization.

545221215153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298239 (or 2298230 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

Adding to 545221215153 its reverse (351512122545), we get a palindrome (896733337698).

The spelling of 545221215153 in words is "five hundred forty-five billion, two hundred twenty-one million, two hundred fifteen thousand, one hundred fifty-three".