545486023 has 4 divisors (see below), whose sum is σ = 545619240. Its totient is φ = 545352808.

The previous prime is 545485979. The next prime is 545486033. The reversal of 545486023 is 320684545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545486023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545486033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60265 + ... + 68722.

It is an arithmetic number, because the mean of its divisors is an integer number (136404810).

Almost surely, 2^545486023 is an apocalyptic number.

545486023 is a deficient number, since it is larger than the sum of its proper divisors (133217).

545486023 is a wasteful number, since it uses less digits than its factorization.

545486023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133216.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 545486023 is about 23355.6422091108. The cubic root of 545486023 is about 817.0736574944.

The spelling of 545486023 in words is "five hundred forty-five million, four hundred eighty-six thousand, twenty-three".