545346545643545 has 8 divisors (see below), whose sum is σ = 654421993188360. Its totient is φ = 436273144237440.

The previous prime is 545346545643397. The next prime is 545346545643551.

It is a happy number.

545346545643545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 210364014452761 + 334982531190784 = 14503931^2 + 18302528^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545346545643545 - 2¹⁴ = 545346545627161 is a prime.

It is a super-2 number, since 2×545346545643545² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510948260 + ... + 512014469.

It is an arithmetic number, because the mean of its divisors is an integer number (81802749148545).

Almost surely, 2^{545346545643545} is an apocalyptic number.

It is an amenable number.

545346545643545 is a deficient number, since it is larger than the sum of its proper divisors (109075447544815).

545346545643545 is a wasteful number, since it uses less digits than its factorization.

545346545643545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023069355.

The product of its digits is 5184000000, while the sum is 68.

The spelling of 545346545643545 in words is "five hundred forty-five trillion, three hundred forty-six billion, five hundred forty-five million, six hundred forty-three thousand, five hundred forty-five".