545242305503 has 8 divisors (see below), whose sum is σ = 623276594208. Its totient is φ = 467243649504.

The previous prime is 545242305479. The next prime is 545242305581. The reversal of 545242305503 is 305503242545.

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

It is a cyclic number.

It is not a de Polignac number, because 545242305503 - 2²² = 545238111199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545242307503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8875376 + ... + 8936597.

It is an arithmetic number, because the mean of its divisors is an integer number (77909574276).

Almost surely, 2^545242305503 is an apocalyptic number.

545242305503 is a deficient number, since it is larger than the sum of its proper divisors (78034288705).

545242305503 is a wasteful number, since it uses less digits than its factorization.

545242305503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17816353.

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 545242305503 in words is "five hundred forty-five billion, two hundred forty-two million, three hundred five thousand, five hundred three".