545205145339 has 4 divisors (see below), whose sum is σ = 552884091120. Its totient is φ = 537526199560.

The previous prime is 545205145279. The next prime is 545205145349. The reversal of 545205145339 is 933541502545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545205145339 - 2²⁵ = 545171590907 is a prime.

It is a super-2 number, since 2×545205145339² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545205145349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3839472784 + ... + 3839472925.

It is an arithmetic number, because the mean of its divisors is an integer number (138221022780).

Almost surely, 2^545205145339 is an apocalyptic number.

545205145339 is a deficient number, since it is larger than the sum of its proper divisors (7678945781).

545205145339 is an equidigital number, since it uses as much as digits as its factorization.

545205145339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7678945780.

The product of its (nonzero) digits is 1620000, while the sum is 46.

The spelling of 545205145339 in words is "five hundred forty-five billion, two hundred five million, one hundred forty-five thousand, three hundred thirty-nine".