245931982 has 16 divisors (see below), whose sum is σ = 372621312. Its totient is φ = 121731480.

The previous prime is 245931947. The next prime is 245931997. The reversal of 245931982 is 289139542.

It is a congruent number.

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, 83743 + ... + 86629.

It is an arithmetic number, because the mean of its divisors is an integer number (23288832).

Almost surely, 2^245931982 is an apocalyptic number.

245931982 is a deficient number, since it is larger than the sum of its proper divisors (126689330).

245931982 is a wasteful number, since it uses less digits than its factorization.

245931982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303.

The product of its digits is 155520, while the sum is 43.

The square root of 245931982 is about 15682.2186568100. The cubic root of 245931982 is about 626.5249010968.

The spelling of 245931982 in words is "two hundred forty-five million, nine hundred thirty-one thousand, nine hundred eighty-two".