245659456 has 28 divisors (see below), whose sum is σ = 557121568. Its totient is φ = 105282432.

The previous prime is 245659451. The next prime is 245659457. The reversal of 245659456 is 654956542.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245659451) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 273726 + ... + 274621.

Almost surely, 2^245659456 is an apocalyptic number.

It is an amenable number.

245659456 is an abundant number, since it is smaller than the sum of its proper divisors (311462112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245659456 is an equidigital number, since it uses as much as digits as its factorization.

245659456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548366 (or 548356 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 46.

The square root of 245659456 is about 15673.5272354375. The cubic root of 245659456 is about 626.2933906985.

The spelling of 245659456 in words is "two hundred forty-five million, six hundred fifty-nine thousand, four hundred fifty-six".