245455946 has 16 divisors (see below), whose sum is σ = 393024960. Its totient is φ = 114629760.

The previous prime is 245455937. The next prime is 245455963. The reversal of 245455946 is 649554542.

It is a junction number, because it is equal to n+sod(n) for n = 245455897 and 245455906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42791 + ... + 48186.

It is an arithmetic number, because the mean of its divisors is an integer number (24564060).

Almost surely, 2^245455946 is an apocalyptic number.

245455946 is a deficient number, since it is larger than the sum of its proper divisors (147569014).

245455946 is a wasteful number, since it uses less digits than its factorization.

245455946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91069.

The product of its digits is 864000, while the sum is 44.

The square root of 245455946 is about 15667.0337332885. The cubic root of 245455946 is about 626.1203975880.

The spelling of 245455946 in words is "two hundred forty-five million, four hundred fifty-five thousand, nine hundred forty-six".