545631136545 has 32 divisors (see below), whose sum is σ = 963848761344. Its totient is φ = 261361092800.

The previous prime is 545631136543. The next prime is 545631136559.

545631136545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545631136545 - 2¹ = 545631136543 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 545631136494 and 545631136503.

It is not an unprimeable number, because it can be changed into a prime (545631136543) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 19907121 + ... + 19934510.

It is an arithmetic number, because the mean of its divisors is an integer number (30120273792).

Almost surely, 2^545631136545 is an apocalyptic number.

545631136545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545631136545 is a deficient number, since it is larger than the sum of its proper divisors (418217624799).

545631136545 is a wasteful number, since it uses less digits than its factorization.

545631136545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39841733.

The product of its digits is 3240000, while the sum is 48.

The spelling of 545631136545 in words is "five hundred forty-five billion, six hundred thirty-one million, one hundred thirty-six thousand, five hundred forty-five".