542454445 has 48 divisors (see below), whose sum is σ = 757548288. Its totient is φ = 370529280.

The previous prime is 542454431. The next prime is 542454449. The reversal of 542454445 is 544454245.

It is not a de Polignac number, because 542454445 - 2¹¹ = 542452397 is a prime.

It is a super-4 number, since 4×542454445⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542454449) 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 47 ways as a sum of consecutive naturals, for example, 1258380 + ... + 1258810.

It is an arithmetic number, because the mean of its divisors is an integer number (15782256).

Almost surely, 2^542454445 is an apocalyptic number.

It is an amenable number.

542454445 is a deficient number, since it is larger than the sum of its proper divisors (215093843).

542454445 is a wasteful number, since it uses less digits than its factorization.

542454445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 533 counting only the distinct ones).

The product of its digits is 256000, while the sum is 37.

The square root of 542454445 is about 23290.6514507431. The cubic root of 542454445 is about 815.5571960977.

The spelling of 542454445 in words is "five hundred forty-two million, four hundred fifty-four thousand, four hundred forty-five".