225145086867 has 8 divisors (see below), whose sum is σ = 333548276880. Its totient is φ = 150096724560.

The previous prime is 225145086857. The next prime is 225145086899. The reversal of 225145086867 is 768680541522.

225145086867 is a `hidden beast` number, since 2 + 2 + 5 + 14 + 508 + 68 + 67 = 666.

It is not a de Polignac number, because 225145086867 - 2⁸ = 225145086611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225145086857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4169353434 + ... + 4169353487.

It is an arithmetic number, because the mean of its divisors is an integer number (41693534610).

Almost surely, 2^225145086867 is an apocalyptic number.

225145086867 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

225145086867 is a deficient number, since it is larger than the sum of its proper divisors (108403190013).

225145086867 is an equidigital number, since it uses as much as digits as its factorization.

225145086867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8338706930 (or 8338706924 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 225145086867 in words is "two hundred twenty-five billion, one hundred forty-five million, eighty-six thousand, eight hundred sixty-seven".