242545004215 has 16 divisors (see below), whose sum is σ = 301848835680. Its totient is φ = 186873160320.

The previous prime is 242545004209. The next prime is 242545004239. The reversal of 242545004215 is 512400545242.

It is not a de Polignac number, because 242545004215 - 2³¹ = 240397520567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2049141 + ... + 2164270.

It is an arithmetic number, because the mean of its divisors is an integer number (18865552230).

Almost surely, 2^242545004215 is an apocalyptic number.

242545004215 is a deficient number, since it is larger than the sum of its proper divisors (59303831465).

242545004215 is a wasteful number, since it uses less digits than its factorization.

242545004215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213842.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 242545004215 its reverse (512400545242), we get a palindrome (754945549457).

The spelling of 242545004215 in words is "two hundred forty-two billion, five hundred forty-five million, four thousand, two hundred fifteen".