100945633 has 4 divisors (see below), whose sum is σ = 101398528. Its totient is φ = 100492740.

The previous prime is 100945627. The next prime is 100945661. The reversal of 100945633 is 336549001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 336549001 = 3697 ⋅91033.

It is a cyclic number.

It is not a de Polignac number, because 100945633 - 2⁹ = 100945121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100945595 and 100945604.

It is not an unprimeable number, because it can be changed into a prime (100945333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226113 + ... + 226558.

It is an arithmetic number, because the mean of its divisors is an integer number (25349632).

Almost surely, 2^100945633 is an apocalyptic number.

It is an amenable number.

100945633 is a deficient number, since it is larger than the sum of its proper divisors (452895).

100945633 is an equidigital number, since it uses as much as digits as its factorization.

100945633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452894.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 100945633 is about 10047.1703976791. The cubic root of 100945633 is about 465.6173755069.

The spelling of 100945633 in words is "one hundred million, nine hundred forty-five thousand, six hundred thirty-three".