240442445 has 4 divisors (see below), whose sum is σ = 288530940. Its totient is φ = 192353952.

The previous prime is 240442439. The next prime is 240442453. The reversal of 240442445 is 544244042.

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 138250564 + 102191881 = 11758^2 + 10109^2 .

It is a cyclic number.

It is not a de Polignac number, because 240442445 - 2⁴ = 240442429 is a prime.

It is a Curzon number.

It is a congruent number.

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, 24044240 + ... + 24044249.

It is an arithmetic number, because the mean of its divisors is an integer number (72132735).

Almost surely, 2^240442445 is an apocalyptic number.

It is an amenable number.

240442445 is a deficient number, since it is larger than the sum of its proper divisors (48088495).

240442445 is an equidigital number, since it uses as much as digits as its factorization.

240442445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48088494.

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 240442445 is about 15506.2066605602. The cubic root of 240442445 is about 621.8281499515.

Adding to 240442445 its reverse (544244042), we get a palindrome (784686487).

The spelling of 240442445 in words is "two hundred forty million, four hundred forty-two thousand, four hundred forty-five".