245456 has 30 divisors (see below), whose sum is σ = 514290. Its totient is φ = 113344.

The previous prime is 245437. The next prime is 245471. The reversal of 245456 is 654542.

245456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 33856 = 460^2 + 184^2 .

It is a super-3 number, since 3×245456³ = 44365176383336448, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8450 + ... + 8478.

It is an arithmetic number, because the mean of its divisors is an integer number (17143).

2²⁴⁵⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257145).

245456 is an abundant number, since it is smaller than the sum of its proper divisors (268834).

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

245456 is a wasteful number, since it uses less digits than its factorization.

245456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 54 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 245456 is about 495.4351622564. The cubic root of 245456 is about 62.6120443503.

Adding to 245456 its reverse (654542), we get a palindrome (899998).

The spelling of 245456 in words is "two hundred forty-five thousand, four hundred fifty-six".