242195742 has 24 divisors (see below), whose sum is σ = 533362440. Its totient is φ = 79408080.

The previous prime is 242195713. The next prime is 242195749. The reversal of 242195742 is 247591242.

It is a junction number, because it is equal to n+sod(n) for n = 242195697 and 242195706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242195749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109192 + ... + 111387.

It is an arithmetic number, because the mean of its divisors is an integer number (22223435).

Almost surely, 2^242195742 is an apocalyptic number.

242195742 is an abundant number, since it is smaller than the sum of its proper divisors (291166698).

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

242195742 is a wasteful number, since it uses less digits than its factorization.

242195742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220648 (or 220645 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 242195742 is about 15562.6393005814. The cubic root of 242195742 is about 623.3359398851.

The spelling of 242195742 in words is "two hundred forty-two million, one hundred ninety-five thousand, seven hundred forty-two".