545673376545 has 128 divisors (see below), whose sum is σ = 1021935108096. Its totient is φ = 245963520000.

The previous prime is 545673376537. The next prime is 545673376559.

It is a happy number.

545673376545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545673376545 - 2³ = 545673376537 is a prime.

It is a super-2 number, since 2×545673376545² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 42159775 + ... + 42172715.

It is an arithmetic number, because the mean of its divisors is an integer number (7983868032).

Almost surely, 2^545673376545 is an apocalyptic number.

545673376545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545673376545 is a deficient number, since it is larger than the sum of its proper divisors (476261731551).

545673376545 is a wasteful number, since it uses less digits than its factorization.

545673376545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13295.

The product of its digits is 158760000, while the sum is 60.

The spelling of 545673376545 in words is "five hundred forty-five billion, six hundred seventy-three million, three hundred seventy-six thousand, five hundred forty-five".