545426 has 8 divisors (see below), whose sum is σ = 935040. Its totient is φ = 233748.

The previous prime is 545387. The next prime is 545429. The reversal of 545426 is 624545.

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

It is a d-powerful number, because it can be written as 5³ + 4³ + 4⁹ + 5⁵ + 2⁵ + 6⁷ .

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 545395 and 545404.

It is not an unprimeable number, because it can be changed into a prime (545429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19466 + ... + 19493.

It is an arithmetic number, because the mean of its divisors is an integer number (116880).

2⁵⁴⁵⁴²⁶ is an apocalyptic number.

545426 is a deficient number, since it is larger than the sum of its proper divisors (389614).

545426 is a wasteful number, since it uses less digits than its factorization.

545426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38968.

The product of its digits is 4800, while the sum is 26.

The square root of 545426 is about 738.5296202591. The cubic root of 545426 is about 81.7043687273.

The spelling of 545426 in words is "five hundred forty-five thousand, four hundred twenty-six".