545131412 has 24 divisors (see below), whose sum is σ = 1092805056. Its totient is φ = 233083008.

The previous prime is 545131403. The next prime is 545131417. The reversal of 545131412 is 214131545.

It is a super-2 number, since 2×545131412² = 594336512698227488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545131417) 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 7 ways as a sum of consecutive naturals, for example, 10358 + ... + 34605.

It is an arithmetic number, because the mean of its divisors is an integer number (45533544).

Almost surely, 2^545131412 is an apocalyptic number.

It is an amenable number.

545131412 is an abundant number, since it is smaller than the sum of its proper divisors (547673644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545131412 is a wasteful number, since it uses less digits than its factorization.

545131412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45407 (or 45405 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 545131412 is about 23348.0494260227. The cubic root of 545131412 is about 816.8965639772.

Adding to 545131412 its reverse (214131545), we get a palindrome (759262957).

It can be divided in two parts, 5451 and 31412, that added together give a palindrome (36863).

The spelling of 545131412 in words is "five hundred forty-five million, one hundred thirty-one thousand, four hundred twelve".