245343994 has 8 divisors (see below), whose sum is σ = 420589728. Its totient is φ = 105147420.

The previous prime is 245343961. The next prime is 245344009. The reversal of 245343994 is 499343542.

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

It is a self number, because there is not a number n which added to its sum of digits gives 245343994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8762272 + ... + 8762299.

It is an arithmetic number, because the mean of its divisors is an integer number (52573716).

Almost surely, 2^245343994 is an apocalyptic number.

245343994 is a deficient number, since it is larger than the sum of its proper divisors (175245734).

245343994 is a wasteful number, since it uses less digits than its factorization.

245343994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17524580.

The product of its digits is 466560, while the sum is 43.

The square root of 245343994 is about 15663.4604733437. The cubic root of 245343994 is about 626.0251923296.

The spelling of 245343994 in words is "two hundred forty-five million, three hundred forty-three thousand, nine hundred ninety-four".