4242242145 has 16 divisors (see below), whose sum is σ = 6789416832. Its totient is φ = 2261919360.

The previous prime is 4242242117. The next prime is 4242242167. The reversal of 4242242145 is 5412422424.

It is not a de Polignac number, because 4242242145 - 2¹³ = 4242233953 is a prime.

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, 22509 + ... + 94821.

It is an arithmetic number, because the mean of its divisors is an integer number (424338552).

Almost surely, 2^4242242145 is an apocalyptic number.

It is an amenable number.

4242242145 is a deficient number, since it is larger than the sum of its proper divisors (2547174687).

4242242145 is a wasteful number, since it uses less digits than its factorization.

4242242145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76232.

The product of its digits is 20480, while the sum is 30.

The square root of 4242242145 is about 65132.4968429739. The cubic root of 4242242145 is about 1618.8197145132.

Adding to 4242242145 its reverse (5412422424), we get a palindrome (9654664569).

The spelling of 4242242145 in words is "four billion, two hundred forty-two million, two hundred forty-two thousand, one hundred forty-five".