243054505450342 has 64 divisors (see below), whose sum is σ = 378629222400000. Its totient is φ = 116965649953152.

The previous prime is 243054505450319. The next prime is 243054505450387.

It is a happy number.

243054505450342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243054505450292 and 243054505450301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522747784 + ... + 523212532.

It is an arithmetic number, because the mean of its divisors is an integer number (5916081600000).

Almost surely, 2^{243054505450342} is an apocalyptic number.

243054505450342 is a deficient number, since it is larger than the sum of its proper divisors (135574716949658).

243054505450342 is a wasteful number, since it uses less digits than its factorization.

243054505450342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465413.

The product of its (nonzero) digits is 5760000, while the sum is 46.

It can be divided in two parts, 24305450 and 5450342, that added together give a palindrome (29755792).

The spelling of 243054505450342 in words is "two hundred forty-three trillion, fifty-four billion, five hundred five million, four hundred fifty thousand, three hundred forty-two".