242322445 has 4 divisors (see below), whose sum is σ = 290786940. Its totient is φ = 193857952.

The previous prime is 242322419. The next prime is 242322461. The reversal of 242322445 is 544223242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544223242 = 2 ⋅272111621.

It can be written as a sum of positive squares in 2 ways, for example, as 30503529 + 211818916 = 5523^2 + 14554^2 .

It is a cyclic number.

It is not a de Polignac number, because 242322445 - 2¹⁷ = 242191373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24232240 + ... + 24232249.

It is an arithmetic number, because the mean of its divisors is an integer number (72696735).

Almost surely, 2^242322445 is an apocalyptic number.

It is an amenable number.

242322445 is a deficient number, since it is larger than the sum of its proper divisors (48464495).

242322445 is an equidigital number, since it uses as much as digits as its factorization.

242322445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48464494.

The product of its digits is 15360, while the sum is 28.

The square root of 242322445 is about 15566.7095110046. The cubic root of 242322445 is about 623.4446188742. Note that the first 3 decimals are identical.

Adding to 242322445 its reverse (544223242), we get a palindrome (786545687).

The spelling of 242322445 in words is "two hundred forty-two million, three hundred twenty-two thousand, four hundred forty-five".