242345479 has 4 divisors (see below), whose sum is σ = 244843984. Its totient is φ = 239846976.

The previous prime is 242345471. The next prime is 242345491. The reversal of 242345479 is 974543242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242345479 - 2³ = 242345471 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242345471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249107 + ... + 1249300.

It is an arithmetic number, because the mean of its divisors is an integer number (61210996).

Almost surely, 2^242345479 is an apocalyptic number.

242345479 is a deficient number, since it is larger than the sum of its proper divisors (2498505).

242345479 is an equidigital number, since it uses as much as digits as its factorization.

242345479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498504.

The product of its digits is 241920, while the sum is 40.

The square root of 242345479 is about 15567.4493414946. The cubic root of 242345479 is about 623.4643721254.

The spelling of 242345479 in words is "two hundred forty-two million, three hundred forty-five thousand, four hundred seventy-nine".