245661346 has 8 divisors (see below), whose sum is σ = 421133760. Its totient is φ = 105283428.

The previous prime is 245661343. The next prime is 245661379. The reversal of 245661346 is 643166542.

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

It is not an unprimeable number, because it can be changed into a prime (245661341) 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, 8773606 + ... + 8773633.

It is an arithmetic number, because the mean of its divisors is an integer number (52641720).

Almost surely, 2^245661346 is an apocalyptic number.

245661346 is a deficient number, since it is larger than the sum of its proper divisors (175472414).

245661346 is a wasteful number, since it uses less digits than its factorization.

245661346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17547248.

The product of its digits is 103680, while the sum is 37.

The square root of 245661346 is about 15673.5875280677. The cubic root of 245661346 is about 626.2949968399.

The spelling of 245661346 in words is "two hundred forty-five million, six hundred sixty-one thousand, three hundred forty-six".