242145707541242 has 16 divisors (see below), whose sum is σ = 365992555420800. Its totient is φ = 120148195801920.

The previous prime is 242145707541209. The next prime is 242145707541247.

It is a happy number.

242145707541242 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (242145707541247) 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, 77457359 + ... + 80522877.

It is an arithmetic number, because the mean of its divisors is an integer number (22874534713800).

Almost surely, 2^{242145707541242} is an apocalyptic number.

242145707541242 is a deficient number, since it is larger than the sum of its proper divisors (123846847879558).

242145707541242 is a wasteful number, since it uses less digits than its factorization.

242145707541242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367141.

The product of its (nonzero) digits is 5017600, while the sum is 50.

The spelling of 242145707541242 in words is "two hundred forty-two trillion, one hundred forty-five billion, seven hundred seven million, five hundred forty-one thousand, two hundred forty-two".