545320426 has 16 divisors (see below), whose sum is σ = 936576000. Its totient is φ = 233273520.

The previous prime is 545320327. The next prime is 545320469. The reversal of 545320426 is 624023545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28426 + ... + 43573.

It is an arithmetic number, because the mean of its divisors is an integer number (58536000).

Almost surely, 2^545320426 is an apocalyptic number.

545320426 is a deficient number, since it is larger than the sum of its proper divisors (391255574).

545320426 is a wasteful number, since it uses less digits than its factorization.

545320426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72549.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 545320426 is about 23352.0968223412. The cubic root of 545320426 is about 816.9909675416.

The spelling of 545320426 in words is "five hundred forty-five million, three hundred twenty thousand, four hundred twenty-six".