545662 has 16 divisors (see below), whose sum is σ = 911232. Its totient is φ = 243360.

The previous prime is 545651. The next prime is 545663. The reversal of 545662 is 266545.

It is a self number, because there is not a number n which added to its sum of digits gives 545662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545663) by changing a digit.

545662 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468 + ... + 1144.

It is an arithmetic number, because the mean of its divisors is an integer number (56952).

2⁵⁴⁵⁶⁶² is an apocalyptic number.

545662 is a deficient number, since it is larger than the sum of its proper divisors (365570).

545662 is a wasteful number, since it uses less digits than its factorization.

545662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its digits is 7200, while the sum is 28.

The square root of 545662 is about 738.6893799155. The cubic root of 545662 is about 81.7161512304.

The spelling of 545662 in words is "five hundred forty-five thousand, six hundred sixty-two".