108642258945 has 24 divisors (see below), whose sum is σ = 205432636032. Its totient is φ = 52675034400.

The previous prime is 108642258941. The next prime is 108642259003. The reversal of 108642258945 is 549852246801.

108642258945 is a `hidden beast` number, since 1 + 0 + 86 + 422 + 58 + 94 + 5 = 666.

It is not a de Polignac number, because 108642258945 - 2² = 108642258941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108642258891 and 108642258900.

It is not an unprimeable number, because it can be changed into a prime (108642258941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109739161 + ... + 109740150.

It is an arithmetic number, because the mean of its divisors is an integer number (8559693168).

Almost surely, 2^108642258945 is an apocalyptic number.

108642258945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108642258945 is a deficient number, since it is larger than the sum of its proper divisors (96790377087).

108642258945 is a wasteful number, since it uses less digits than its factorization.

108642258945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219479333 (or 219479330 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 108642258945 in words is "one hundred eight billion, six hundred forty-two million, two hundred fifty-eight thousand, nine hundred forty-five".