242301909 has 4 divisors (see below), whose sum is σ = 323069216. Its totient is φ = 161534604.

The previous prime is 242301893. The next prime is 242301911. The reversal of 242301909 is 909103242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 242301909 - 2⁴ = 242301893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242301109) 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 3 ways as a sum of consecutive naturals, for example, 40383649 + ... + 40383654.

It is an arithmetic number, because the mean of its divisors is an integer number (80767304).

Almost surely, 2^242301909 is an apocalyptic number.

It is an amenable number.

242301909 is a deficient number, since it is larger than the sum of its proper divisors (80767307).

242301909 is an equidigital number, since it uses as much as digits as its factorization.

242301909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80767306.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 242301909 is about 15566.0498842834. The cubic root of 242301909 is about 623.4270067756.

It can be divided in two parts, 24 and 2301909, that multiplied together give a triangular number (55245816 = T₁₀₅₁₁).

The spelling of 242301909 in words is "two hundred forty-two million, three hundred one thousand, nine hundred nine".