242142513 has 8 divisors (see below), whose sum is σ = 324913728. Its totient is φ = 160399824.

The previous prime is 242142491. The next prime is 242142529. The reversal of 242142513 is 315241242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242142513 - 2²¹ = 240045361 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242142553) 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, 256581 + ... + 257522.

It is an arithmetic number, because the mean of its divisors is an integer number (40614216).

Almost surely, 2^242142513 is an apocalyptic number.

It is an amenable number.

242142513 is a deficient number, since it is larger than the sum of its proper divisors (82771215).

242142513 is a wasteful number, since it uses less digits than its factorization.

242142513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514263.

The product of its digits is 1920, while the sum is 24.

The square root of 242142513 is about 15560.9290532410. The cubic root of 242142513 is about 623.2902716177.

Adding to 242142513 its reverse (315241242), we get a palindrome (557383755).

The spelling of 242142513 in words is "two hundred forty-two million, one hundred forty-two thousand, five hundred thirteen".