242429 has 4 divisors (see below), whose sum is σ = 264480. Its totient is φ = 220380.

The previous prime is 242419. The next prime is 242441. The reversal of 242429 is 924242.

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 a cyclic number.

It is not a de Polignac number, because 242429 - 2⁴ = 242413 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 (242419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11009 + ... + 11030.

It is an arithmetic number, because the mean of its divisors is an integer number (66120).

2²⁴²⁴²⁹ is an apocalyptic number.

It is an amenable number.

242429 is a deficient number, since it is larger than the sum of its proper divisors (22051).

242429 is a wasteful number, since it uses less digits than its factorization.

242429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22050.

The product of its digits is 1152, while the sum is 23.

The square root of 242429 is about 492.3707952346. The cubic root of 242429 is about 62.3535986675.

The spelling of 242429 in words is "two hundred forty-two thousand, four hundred twenty-nine".