542341445 has 4 divisors (see below), whose sum is σ = 650809740. Its totient is φ = 433873152.

The previous prime is 542341427. The next prime is 542341447. The reversal of 542341445 is 544143245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544143245 = 5 ⋅108828649.

It can be written as a sum of positive squares in 2 ways, for example, as 141300769 + 401040676 = 11887^2 + 20026^2 .

It is a cyclic number.

It is not a de Polignac number, because 542341445 - 2¹⁴ = 542325061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542341447) 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 3 ways as a sum of consecutive naturals, for example, 54234140 + ... + 54234149.

It is an arithmetic number, because the mean of its divisors is an integer number (162702435).

Almost surely, 2^542341445 is an apocalyptic number.

It is an amenable number.

542341445 is a deficient number, since it is larger than the sum of its proper divisors (108468295).

542341445 is a wasteful number, since it uses less digits than its factorization.

542341445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108468294.

The product of its digits is 38400, while the sum is 32.

The square root of 542341445 is about 23288.2254583727. The cubic root of 542341445 is about 815.5005619330.

The spelling of 542341445 in words is "five hundred forty-two million, three hundred forty-one thousand, four hundred forty-five".