545300420515 has 4 divisors (see below), whose sum is σ = 654360504624. Its totient is φ = 436240336408.

The previous prime is 545300420507. The next prime is 545300420519. The reversal of 545300420515 is 515024003545.

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 545300420515 - 2³ = 545300420507 is a prime.

It is a super-2 number, since 2×545300420515² (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 (545300420519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54530042047 + ... + 54530042056.

It is an arithmetic number, because the mean of its divisors is an integer number (163590126156).

Almost surely, 2^545300420515 is an apocalyptic number.

545300420515 is a deficient number, since it is larger than the sum of its proper divisors (109060084109).

545300420515 is a wasteful number, since it uses less digits than its factorization.

545300420515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109060084108.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 545300420515 in words is "five hundred forty-five billion, three hundred million, four hundred twenty thousand, five hundred fifteen".