242488445 has 4 divisors (see below), whose sum is σ = 290986140. Its totient is φ = 193990752.

The previous prime is 242488423. The next prime is 242488447. The reversal of 242488445 is 544884242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51523684 + 190964761 = 7178^2 + 13819^2 .

It is a cyclic number.

It is not a de Polignac number, because 242488445 - 2⁶ = 242488381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242488447) 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, 24248840 + ... + 24248849.

It is an arithmetic number, because the mean of its divisors is an integer number (72746535).

Almost surely, 2^242488445 is an apocalyptic number.

It is an amenable number.

242488445 is a deficient number, since it is larger than the sum of its proper divisors (48497695).

242488445 is an equidigital number, since it uses as much as digits as its factorization.

242488445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48497694.

The product of its digits is 327680, while the sum is 41.

The square root of 242488445 is about 15572.0404892872. The cubic root of 242488445 is about 623.5869473927.

The spelling of 242488445 in words is "two hundred forty-two million, four hundred eighty-eight thousand, four hundred forty-five".