242140732 has 6 divisors (see below), whose sum is σ = 423746288. Its totient is φ = 121070364.

The previous prime is 242140709. The next prime is 242140739. The reversal of 242140732 is 237041242.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 242140697 and 242140706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242140739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30267588 + ... + 30267595.

Almost surely, 2^242140732 is an apocalyptic number.

It is an amenable number.

242140732 is a deficient number, since it is larger than the sum of its proper divisors (181605556).

242140732 is a wasteful number, since it uses less digits than its factorization.

242140732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60535187 (or 60535185 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 242140732 is about 15560.8718264755. The cubic root of 242140732 is about 623.2887434780.

Adding to 242140732 its reverse (237041242), we get a palindrome (479181974).

The spelling of 242140732 in words is "two hundred forty-two million, one hundred forty thousand, seven hundred thirty-two".