242129442 has 8 divisors (see below), whose sum is σ = 484258896. Its totient is φ = 80709812.

The previous prime is 242129429. The next prime is 242129449. The reversal of 242129442 is 244921242.

242129442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

242129442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (242129449) 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, 20177448 + ... + 20177459.

It is an arithmetic number, because the mean of its divisors is an integer number (60532362).

Almost surely, 2^242129442 is an apocalyptic number.

242129442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

242129442 is a wasteful number, since it uses less digits than its factorization.

242129442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40354912.

The product of its digits is 9216, while the sum is 30.

The square root of 242129442 is about 15560.5090533697. The cubic root of 242129442 is about 623.2790562200.

The spelling of 242129442 in words is "two hundred forty-two million, one hundred twenty-nine thousand, four hundred forty-two".