545229061 has 4 divisors (see below), whose sum is σ = 587169772. Its totient is φ = 503288352.

The previous prime is 545229059. The next prime is 545229067. The reversal of 545229061 is 160922545.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 79316836 + 465912225 = 8906^2 + 21585^2 .

It is a cyclic number.

It is not a de Polignac number, because 545229061 - 2¹ = 545229059 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 (545229067) 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, 20970336 + ... + 20970361.

It is an arithmetic number, because the mean of its divisors is an integer number (146792443).

Almost surely, 2^545229061 is an apocalyptic number.

It is an amenable number.

545229061 is a deficient number, since it is larger than the sum of its proper divisors (41940711).

545229061 is a wasteful number, since it uses less digits than its factorization.

545229061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41940710.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 545229061 is about 23350.1404920827. The cubic root of 545229061 is about 816.9453377642.

The spelling of 545229061 in words is "five hundred forty-five million, two hundred twenty-nine thousand, sixty-one".