545456 has 20 divisors (see below), whose sum is σ = 1073592. Its totient is φ = 268416.

The previous prime is 545449. The next prime is 545473. The reversal of 545456 is 654545.

545456 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

545456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 935 + ... + 1401.

2⁵⁴⁵⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

545456 is a deficient number, since it is larger than the sum of its proper divisors (528136).

545456 is a wasteful number, since it uses less digits than its factorization.

545456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 542 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 545456 is about 738.5499306073. The cubic root of 545456 is about 81.7058666916.

It can be divided in two parts, 545 and 456, that added together give a palindrome (1001).

The spelling of 545456 in words is "five hundred forty-five thousand, four hundred fifty-six".