245316394 has 16 divisors (see below), whose sum is σ = 381323520. Its totient is φ = 118223280.

The previous prime is 245316373. The next prime is 245316451. The reversal of 245316394 is 493613542.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33247 + ... + 39949.

It is an arithmetic number, because the mean of its divisors is an integer number (23832720).

Almost surely, 2^245316394 is an apocalyptic number.

245316394 is a deficient number, since it is larger than the sum of its proper divisors (136007126).

245316394 is a wasteful number, since it uses less digits than its factorization.

245316394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7365.

The product of its digits is 77760, while the sum is 37.

The square root of 245316394 is about 15662.5794171969. The cubic root of 245316394 is about 626.0017165247.

The spelling of 245316394 in words is "two hundred forty-five million, three hundred sixteen thousand, three hundred ninety-four".