545807846 has 4 divisors (see below), whose sum is σ = 818711772. Its totient is φ = 272903922.

The previous prime is 545807827. The next prime is 545807849. The reversal of 545807846 is 648708545.

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

It is a self number, because there is not a number n which added to its sum of digits gives 545807846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545807849) 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 as a sum of consecutive naturals, namely, 136451960 + ... + 136451963.

It is an arithmetic number, because the mean of its divisors is an integer number (204677943).

Almost surely, 2^545807846 is an apocalyptic number.

545807846 is a deficient number, since it is larger than the sum of its proper divisors (272903926).

545807846 is a wasteful number, since it uses less digits than its factorization.

545807846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272903925.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The square root of 545807846 is about 23362.5308132488. The cubic root of 545807846 is about 817.2343101904.

It can be divided in two parts, 54580 and 7846, that added together give a palindrome (62426).

The spelling of 545807846 in words is "five hundred forty-five million, eight hundred seven thousand, eight hundred forty-six".