245446155 has 24 divisors (see below), whose sum is σ = 425850048. Its totient is φ = 130778496.

The previous prime is 245446147. The next prime is 245446171. The reversal of 245446155 is 551644542.

245446155 is a `hidden beast` number, since 2 + 4 + 544 + 61 + 55 = 666.

It is not a de Polignac number, because 245446155 - 2³ = 245446147 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 62119 + ... + 65951.

It is an arithmetic number, because the mean of its divisors is an integer number (17743752).

Almost surely, 2^245446155 is an apocalyptic number.

245446155 is a deficient number, since it is larger than the sum of its proper divisors (180403893).

245446155 is a wasteful number, since it uses less digits than its factorization.

245446155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267 (or 5264 counting only the distinct ones).

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

The square root of 245446155 is about 15666.7212587701. The cubic root of 245446155 is about 626.1120723652.

The spelling of 245446155 in words is "two hundred forty-five million, four hundred forty-six thousand, one hundred fifty-five".