242213043225445 has 24 divisors (see below), whose sum is σ = 308767841384544. Its totient is φ = 182366816814336.

The previous prime is 242213043225431. The next prime is 242213043225557. The reversal of 242213043225445 is 544522340312242.

It is a de Polignac number, because none of the positive numbers 2^k-242213043225445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47094262 + ... + 51983608.

It is an arithmetic number, because the mean of its divisors is an integer number (12865326724356).

Almost surely, 2^{242213043225445} is an apocalyptic number.

It is an amenable number.

242213043225445 is a deficient number, since it is larger than the sum of its proper divisors (66554798159099).

242213043225445 is a wasteful number, since it uses less digits than its factorization.

242213043225445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923669 (or 4923652 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 43.

Adding to 242213043225445 its reverse (544522340312242), we get a palindrome (786735383537687).

The spelling of 242213043225445 in words is "two hundred forty-two trillion, two hundred thirteen billion, forty-three million, two hundred twenty-five thousand, four hundred forty-five".