245440006 has 8 divisors (see below), whose sum is σ = 420754320. Its totient is φ = 105188568.

The previous prime is 245439991. The next prime is 245440007. The reversal of 245440006 is 600044542.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245440007) 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, 8765701 + ... + 8765728.

It is an arithmetic number, because the mean of its divisors is an integer number (52594290).

Almost surely, 2^245440006 is an apocalyptic number.

245440006 is a deficient number, since it is larger than the sum of its proper divisors (175314314).

245440006 is a wasteful number, since it uses less digits than its factorization.

245440006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17531438.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 245440006 is about 15666.5250135440. The cubic root of 245440006 is about 626.1068437978.

Adding to 245440006 its reverse (600044542), we get a palindrome (845484548).

The spelling of 245440006 in words is "two hundred forty-five million, four hundred forty thousand, six".