545273822 has 4 divisors (see below), whose sum is σ = 817910736. Its totient is φ = 272636910.

The previous prime is 545273821. The next prime is 545273881. The reversal of 545273822 is 228372545.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545273821) 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, 136318454 + ... + 136318457.

It is an arithmetic number, because the mean of its divisors is an integer number (204477684).

Almost surely, 2^545273822 is an apocalyptic number.

545273822 is a deficient number, since it is larger than the sum of its proper divisors (272636914).

545273822 is a wasteful number, since it uses less digits than its factorization.

545273822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272636913.

The product of its digits is 134400, while the sum is 38.

The square root of 545273822 is about 23351.0989463023. The cubic root of 545273822 is about 816.9676930715.

The spelling of 545273822 in words is "five hundred forty-five million, two hundred seventy-three thousand, eight hundred twenty-two".