101145663 has 6 divisors (see below), whose sum is σ = 146099304. Its totient is φ = 67430436.

The previous prime is 101145659. The next prime is 101145673. The reversal of 101145663 is 366541101.

It is not a de Polignac number, because 101145663 - 2² = 101145659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101145623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5619195 + ... + 5619212.

It is an arithmetic number, because the mean of its divisors is an integer number (24349884).

Almost surely, 2^101145663 is an apocalyptic number.

101145663 is a deficient number, since it is larger than the sum of its proper divisors (44953641).

101145663 is a wasteful number, since it uses less digits than its factorization.

101145663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11238413 (or 11238410 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 101145663 is about 10057.1200151932. The cubic root of 101145663 is about 465.9247224397.

Adding to 101145663 its reverse (366541101), we get a palindrome (467686764).

The spelling of 101145663 in words is "one hundred one million, one hundred forty-five thousand, six hundred sixty-three".