542240320154 has 8 divisors (see below), whose sum is σ = 875926671060. Its totient is φ = 250264763136.

The previous prime is 542240320133. The next prime is 542240320213. The reversal of 542240320154 is 451023042245.

It can be written as a sum of positive squares in 2 ways, for example, as 395171905129 + 147068415025 = 628627^2 + 383495^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 542240320154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10427698439 + ... + 10427698490.

Almost surely, 2^542240320154 is an apocalyptic number.

542240320154 is a deficient number, since it is larger than the sum of its proper divisors (333686350906).

542240320154 is a wasteful number, since it uses less digits than its factorization.

542240320154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20855396944.

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

Adding to 542240320154 its reverse (451023042245), we get a palindrome (993263362399).

The spelling of 542240320154 in words is "five hundred forty-two billion, two hundred forty million, three hundred twenty thousand, one hundred fifty-four".