245340855 has 48 divisors (see below), whose sum is σ = 456715584. Its totient is φ = 121390080.

The previous prime is 245340847. The next prime is 245340859. The reversal of 245340855 is 558043542.

245340855 is a `hidden beast` number, since 245 + 3 + 408 + 5 + 5 = 666.

It is not a de Polignac number, because 245340855 - 2³ = 245340847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245340859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52057 + ... + 56573.

It is an arithmetic number, because the mean of its divisors is an integer number (9514908).

Almost surely, 2^245340855 is an apocalyptic number.

245340855 is a deficient number, since it is larger than the sum of its proper divisors (211374729).

245340855 is a wasteful number, since it uses less digits than its factorization.

245340855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616 (or 4613 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 245340855 is about 15663.3602716658. The cubic root of 245340855 is about 626.0225224708.

The spelling of 245340855 in words is "two hundred forty-five million, three hundred forty thousand, eight hundred fifty-five".