242545242 has 8 divisors (see below), whose sum is σ = 485090496. Its totient is φ = 80848412.

The previous prime is 242545231. The next prime is 242545243.

242545242 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

242545242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (242545243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20212098 + ... + 20212109.

It is an arithmetic number, because the mean of its divisors is an integer number (60636312).

Almost surely, 2^242545242 is an apocalyptic number.

242545242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

242545242 is a wasteful number, since it uses less digits than its factorization.

242545242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40424212.

The product of its digits is 25600, while the sum is 30.

The square root of 242545242 is about 15573.8640677258. The cubic root of 242545242 is about 623.6356302663.

The spelling of 242545242 in words is "two hundred forty-two million, five hundred forty-five thousand, two hundred forty-two".