242133430 has 128 divisors (see below), whose sum is σ = 569327616. Its totient is φ = 71971200.

The previous prime is 242133421. The next prime is 242133487. The reversal of 242133430 is 34331242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2350759 + ... + 2350861.

It is an arithmetic number, because the mean of its divisors is an integer number (4447872).

Almost surely, 2^242133430 is an apocalyptic number.

242133430 is an abundant number, since it is smaller than the sum of its proper divisors (327194186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242133430 is a wasteful number, since it uses less digits than its factorization.

242133430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 242133430 is about 15560.6371977500. The cubic root of 242133430 is about 623.2824781131.

Adding to 242133430 its reverse (34331242), we get a palindrome (276464672).

The spelling of 242133430 in words is "two hundred forty-two million, one hundred thirty-three thousand, four hundred thirty".