242140292 has 6 divisors (see below), whose sum is σ = 423745518. Its totient is φ = 121070144.

The previous prime is 242140291. The next prime is 242140303. The reversal of 242140292 is 292041242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 198922816 + 43217476 = 14104^2 + 6574^2 .

It is not an unprimeable number, because it can be changed into a prime (242140291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30267533 + ... + 30267540.

It is an arithmetic number, because the mean of its divisors is an integer number (70624253).

Almost surely, 2^242140292 is an apocalyptic number.

It is an amenable number.

242140292 is a deficient number, since it is larger than the sum of its proper divisors (181605226).

242140292 is a wasteful number, since it uses less digits than its factorization.

242140292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60535077 (or 60535075 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 242140292 is about 15560.8576884438. The cubic root of 242140292 is about 623.2883659466.

The spelling of 242140292 in words is "two hundred forty-two million, one hundred forty thousand, two hundred ninety-two".