242140842 has 24 divisors (see below), whose sum is σ = 533241540. Its totient is φ = 79390080.

The previous prime is 242140837. The next prime is 242140853. The reversal of 242140842 is 248041242.

242140842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 176384961 + 65755881 = 13281^2 + 8109^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109167 + ... + 111362.

Almost surely, 2^242140842 is an apocalyptic number.

242140842 is an abundant number, since it is smaller than the sum of its proper divisors (291100698).

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

242140842 is a wasteful number, since it uses less digits than its factorization.

242140842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220598 (or 220595 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 242140842 is about 15560.8753609815. The cubic root of 242140842 is about 623.2888378608.

The spelling of 242140842 in words is "two hundred forty-two million, one hundred forty thousand, eight hundred forty-two".