545624243 has 8 divisors (see below), whose sum is σ = 551350800. Its totient is φ = 539911008.

The previous prime is 545624227. The next prime is 545624251. The reversal of 545624243 is 342426545.

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

It is not a de Polignac number, because 545624243 - 2⁴ = 545624227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545624203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93413 + ... + 99081.

It is an arithmetic number, because the mean of its divisors is an integer number (68918850).

Almost surely, 2^545624243 is an apocalyptic number.

545624243 is a deficient number, since it is larger than the sum of its proper divisors (5726557).

545624243 is a wasteful number, since it uses less digits than its factorization.

545624243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6661.

The product of its digits is 115200, while the sum is 35.

The square root of 545624243 is about 23358.6010497204. The cubic root of 545624243 is about 817.1426640798.

The spelling of 545624243 in words is "five hundred forty-five million, six hundred twenty-four thousand, two hundred forty-three".