545231042 has 8 divisors (see below), whose sum is σ = 818656956. Its totient is φ = 272345392.

The previous prime is 545231041. The next prime is 545231053. The reversal of 545231042 is 240132545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 427703761 + 117527281 = 20681^2 + 10841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (545231041) 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, 132533 + ... + 136584.

Almost surely, 2^545231042 is an apocalyptic number.

545231042 is a deficient number, since it is larger than the sum of its proper divisors (273425914).

545231042 is a wasteful number, since it uses less digits than its factorization.

545231042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270132.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 545231042 is about 23350.1829114892. The cubic root of 545231042 is about 816.9463271751.

Adding to 545231042 its reverse (240132545), we get a palindrome (785363587).

The spelling of 545231042 in words is "five hundred forty-five million, two hundred thirty-one thousand, forty-two".