542798345 has 8 divisors (see below), whose sum is σ = 652811400. Its totient is φ = 433269760.

The previous prime is 542798329. The next prime is 542798357. The reversal of 542798345 is 543897245.

It can be written as a sum of positive squares in 4 ways, for example, as 218330176 + 324468169 = 14776^2 + 18013^2 .

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

It is not a de Polignac number, because 542798345 - 2⁴ = 542798329 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 542798345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118646 + ... + 123135.

It is an arithmetic number, because the mean of its divisors is an integer number (81601425).

Almost surely, 2^542798345 is an apocalyptic number.

It is an amenable number.

542798345 is a deficient number, since it is larger than the sum of its proper divisors (110013055).

542798345 is a wasteful number, since it uses less digits than its factorization.

542798345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242235.

The product of its digits is 1209600, while the sum is 47.

The square root of 542798345 is about 23298.0330714848. The cubic root of 542798345 is about 815.7295060328.

The spelling of 542798345 in words is "five hundred forty-two million, seven hundred ninety-eight thousand, three hundred forty-five".