545213601545 has 4 divisors (see below), whose sum is σ = 654256321860. Its totient is φ = 436170881232.

The previous prime is 545213601539. The next prime is 545213601599. The reversal of 545213601545 is 545106312545.

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 159383794441 + 385829807104 = 399229^2 + 621152^2 .

It is a cyclic number.

It is not a de Polignac number, because 545213601545 - 2¹² = 545213597449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54521360150 + ... + 54521360159.

It is an arithmetic number, because the mean of its divisors is an integer number (163564080465).

Almost surely, 2^545213601545 is an apocalyptic number.

It is an amenable number.

545213601545 is a deficient number, since it is larger than the sum of its proper divisors (109042720315).

545213601545 is a wasteful number, since it uses less digits than its factorization.

545213601545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109042720314.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 545213601545 in words is "five hundred forty-five billion, two hundred thirteen million, six hundred one thousand, five hundred forty-five".