545212042 has 8 divisors (see below), whose sum is σ = 827007300. Its totient is φ = 269542944.

The previous prime is 545212021. The next prime is 545212043. The reversal of 545212042 is 240212545.

It can be written as a sum of positive squares in 2 ways, for example, as 484044001 + 61168041 = 22001^2 + 7821^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 545211998 and 545212016.

It is not an unprimeable number, because it can be changed into a prime (545212043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531317 + ... + 1531672.

Almost surely, 2^545212042 is an apocalyptic number.

545212042 is a deficient number, since it is larger than the sum of its proper divisors (281795258).

545212042 is a wasteful number, since it uses less digits than its factorization.

545212042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063080.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 545212042 is about 23349.7760588833. The cubic root of 545212042 is about 816.9368375219.

Adding to 545212042 its reverse (240212545), we get a palindrome (785424587).

The spelling of 545212042 in words is "five hundred forty-five million, two hundred twelve thousand, forty-two".