545623326545 has 16 divisors (see below), whose sum is σ = 714711833280. Its totient is φ = 396571800000.

The previous prime is 545623326511. The next prime is 545623326581.

It is a happy number.

545623326545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545623326545 - 2²⁸ = 545354891089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545623326493 and 545623326502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2974706 + ... + 3152795.

It is an arithmetic number, because the mean of its divisors is an integer number (44669489580).

Almost surely, 2^545623326545 is an apocalyptic number.

545623326545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545623326545 is a deficient number, since it is larger than the sum of its proper divisors (169088506735).

545623326545 is a wasteful number, since it uses less digits than its factorization.

545623326545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129136.

The product of its digits is 12960000, while the sum is 50.

The spelling of 545623326545 in words is "five hundred forty-five billion, six hundred twenty-three million, three hundred twenty-six thousand, five hundred forty-five".