242734442 has 4 divisors (see below), whose sum is σ = 364101666. Its totient is φ = 121367220.

The previous prime is 242734423. The next prime is 242734447. The reversal of 242734442 is 244437242.

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

It can be written as a sum of positive squares in only one way, i.e., 236882881 + 5851561 = 15391^2 + 2419^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242734399 and 242734408.

It is not an unprimeable number, because it can be changed into a prime (242734447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60683609 + ... + 60683612.

Almost surely, 2^242734442 is an apocalyptic number.

242734442 is a deficient number, since it is larger than the sum of its proper divisors (121367224).

242734442 is a wasteful number, since it uses less digits than its factorization.

242734442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121367223.

The product of its digits is 43008, while the sum is 32.

The square root of 242734442 is about 15579.9371629028. The cubic root of 242734442 is about 623.7977459927.

The spelling of 242734442 in words is "two hundred forty-two million, seven hundred thirty-four thousand, four hundred forty-two".