242252140 has 24 divisors (see below), whose sum is σ = 547863120. Its totient is φ = 89446848.

The previous prime is 242252117. The next prime is 242252141. The reversal of 242252140 is 41252242.

It is not an unprimeable number, because it can be changed into a prime (242252141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465610 + ... + 466129.

It is an arithmetic number, because the mean of its divisors is an integer number (22827630).

Almost surely, 2^242252140 is an apocalyptic number.

242252140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242252140 is an abundant number, since it is smaller than the sum of its proper divisors (305610980).

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

242252140 is a wasteful number, since it uses less digits than its factorization.

242252140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931761 (or 931759 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 242252140 is about 15564.4511628261. The cubic root of 242252140 is about 623.3843197226.

The spelling of 242252140 in words is "two hundred forty-two million, two hundred fifty-two thousand, one hundred forty".