242544454543 has 8 divisors (see below), whose sum is σ = 245060724240. Its totient is φ = 240030436800.

The previous prime is 242544454517. The next prime is 242544454561. The reversal of 242544454543 is 345454445242.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 242544454543 - 2³³ = 233954519951 is a prime.

It is a super-2 number, since 2×242544454543² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242544454493 and 242544454502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242554454543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346033 + ... + 777706.

It is an arithmetic number, because the mean of its divisors is an integer number (30632590530).

Almost surely, 2^242544454543 is an apocalyptic number.

242544454543 is a deficient number, since it is larger than the sum of its proper divisors (2516269697).

242544454543 is a wasteful number, since it uses less digits than its factorization.

242544454543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125977.

The product of its digits is 6144000, while the sum is 46.

Adding to 242544454543 its reverse (345454445242), we get a palindrome (587998899785).

The spelling of 242544454543 in words is "two hundred forty-two billion, five hundred forty-four million, four hundred fifty-four thousand, five hundred forty-three".