245045331155 has 16 divisors (see below), whose sum is σ = 296965206720. Its totient is φ = 194096443008.

The previous prime is 245045331149. The next prime is 245045331163. The reversal of 245045331155 is 551133540542.

245045331155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 245045331155 - 2¹⁴ = 245045314771 is a prime.

It is a super-2 number, since 2×245045331155² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2877569 + ... + 2961501.

It is an arithmetic number, because the mean of its divisors is an integer number (18560325420).

Almost surely, 2^245045331155 is an apocalyptic number.

245045331155 is a deficient number, since it is larger than the sum of its proper divisors (51919875565).

245045331155 is a wasteful number, since it uses less digits than its factorization.

245045331155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89710.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 245045331155 its reverse (551133540542), we get a palindrome (796178871697).

The spelling of 245045331155 in words is "two hundred forty-five billion, forty-five million, three hundred thirty-one thousand, one hundred fifty-five".