245432556 has 18 divisors (see below), whose sum is σ = 620399052. Its totient is φ = 81810840.

The previous prime is 245432533. The next prime is 245432573. The reversal of 245432556 is 655234542.

245432556 is a `hidden beast` number, since 24 + 54 + 32 + 556 = 666.

245432556 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6817571 = 245432556 / (2 + 4 + 5 + 4 + 3 + 2 + 5 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 245432556.

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, 3408750 + ... + 3408821.

It is an arithmetic number, because the mean of its divisors is an integer number (34466614).

Almost surely, 2^245432556 is an apocalyptic number.

It is an amenable number.

245432556 is an abundant number, since it is smaller than the sum of its proper divisors (374966496).

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

245432556 is a wasteful number, since it uses less digits than its factorization.

245432556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817581 (or 6817576 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 245432556 is about 15666.2872436324. The cubic root of 245432556 is about 626.1005088577.

The spelling of 245432556 in words is "two hundred forty-five million, four hundred thirty-two thousand, five hundred fifty-six".