545212112 has 20 divisors (see below), whose sum is σ = 1056752676. Its totient is φ = 272501760.

The previous prime is 545212091. The next prime is 545212121. The reversal of 545212112 is 211212545.

It can be written as a sum of positive squares in 2 ways, for example, as 60155536 + 485056576 = 7756^2 + 22024^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53162 + ... + 62582.

Almost surely, 2^545212112 is an apocalyptic number.

It is an amenable number.

545212112 is a deficient number, since it is larger than the sum of its proper divisors (511540564).

545212112 is a wasteful number, since it uses less digits than its factorization.

545212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13046 (or 13040 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 545212112 is about 23349.7775578270. Note that the first 3 decimals coincide. The cubic root of 545212112 is about 816.9368724842.

Adding to 545212112 its reverse (211212545), we get a palindrome (756424657).

The spelling of 545212112 in words is "five hundred forty-five million, two hundred twelve thousand, one hundred twelve".