242552140 has 12 divisors (see below), whose sum is σ = 509359536. Its totient is φ = 97020848.

The previous prime is 242552137. The next prime is 242552159. The reversal of 242552140 is 41255242.

242552140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6063784 + ... + 6063823.

It is an arithmetic number, because the mean of its divisors is an integer number (42446628).

Almost surely, 2^242552140 is an apocalyptic number.

242552140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242552140 is an abundant number, since it is smaller than the sum of its proper divisors (266807396).

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

242552140 is a wasteful number, since it uses less digits than its factorization.

242552140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12127616 (or 12127614 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 242552140 is about 15574.0855269258. The cubic root of 242552140 is about 623.6415422875.

The spelling of 242552140 in words is "two hundred forty-two million, five hundred fifty-two thousand, one hundred forty".