542442245 has 8 divisors (see below), whose sum is σ = 673376760. Its totient is φ = 418989760.

The previous prime is 542442233. The next prime is 542442269. The reversal of 542442245 is 542244245.

It can be written as a sum of positive squares in 4 ways, for example, as 232471009 + 309971236 = 15247^2 + 17606^2 .

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

It is not a de Polignac number, because 542442245 - 2⁸ = 542441989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870346 + ... + 1870635.

It is an arithmetic number, because the mean of its divisors is an integer number (84172095).

Almost surely, 2^542442245 is an apocalyptic number.

It is an amenable number.

542442245 is a deficient number, since it is larger than the sum of its proper divisors (130934515).

542442245 is a wasteful number, since it uses less digits than its factorization.

542442245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741015.

The product of its digits is 51200, while the sum is 32.

The square root of 542442245 is about 23290.3895416114. The cubic root of 542442245 is about 815.5510819914.

The spelling of 542442245 in words is "five hundred forty-two million, four hundred forty-two thousand, two hundred forty-five".