242146913 has 8 divisors (see below), whose sum is σ = 246508800. Its totient is φ = 237813408.

The previous prime is 242146847. The next prime is 242146987. The reversal of 242146913 is 319641242.

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

It is a cyclic number.

It is not a de Polignac number, because 242146913 - 2¹⁰ = 242145889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242146913.

It is not an unprimeable number, because it can be changed into a prime (242146313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10508 + ... + 24386.

It is an arithmetic number, because the mean of its divisors is an integer number (30813600).

Almost surely, 2^242146913 is an apocalyptic number.

It is an amenable number.

242146913 is a deficient number, since it is larger than the sum of its proper divisors (4361887).

242146913 is a wasteful number, since it uses less digits than its factorization.

242146913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14191.

The product of its digits is 10368, while the sum is 32.

The square root of 242146913 is about 15561.0704323321. The cubic root of 242146913 is about 623.2940468883.

The spelling of 242146913 in words is "two hundred forty-two million, one hundred forty-six thousand, nine hundred thirteen".