542814445 has 4 divisors (see below), whose sum is σ = 651377340. Its totient is φ = 434251552.

The previous prime is 542814427. The next prime is 542814449. The reversal of 542814445 is 544418245.

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 149744169 + 393070276 = 12237^2 + 19826^2 .

It is a cyclic number.

It is not a de Polignac number, because 542814445 - 2¹⁷ = 542683373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542814449) 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, 54281440 + ... + 54281449.

It is an arithmetic number, because the mean of its divisors is an integer number (162844335).

Almost surely, 2^542814445 is an apocalyptic number.

It is an amenable number.

542814445 is a deficient number, since it is larger than the sum of its proper divisors (108562895).

542814445 is a wasteful number, since it uses less digits than its factorization.

542814445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108562894.

The product of its digits is 102400, while the sum is 37.

The square root of 542814445 is about 23298.3785916531. The cubic root of 542814445 is about 815.7375710999.

The spelling of 542814445 in words is "five hundred forty-two million, eight hundred fourteen thousand, four hundred forty-five".