100641245 has 8 divisors (see below), whose sum is σ = 120856320. Its totient is φ = 80455120.

The previous prime is 100641217. The next prime is 100641251. The reversal of 100641245 is 542146001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100641245 - 2⁸ = 100640989 is a prime.

It is a super-3 number, since 3×100641245³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100641245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340 + ... + 14250.

It is an arithmetic number, because the mean of its divisors is an integer number (15107040).

Almost surely, 2^100641245 is an apocalyptic number.

It is an amenable number.

100641245 is a deficient number, since it is larger than the sum of its proper divisors (20215075).

100641245 is a wasteful number, since it uses less digits than its factorization.

100641245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14475.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 100641245 is about 10032.0110147467. The cubic root of 100641245 is about 465.1489020958.

Adding to 100641245 its reverse (542146001), we get a palindrome (642787246).

The spelling of 100641245 in words is "one hundred million, six hundred forty-one thousand, two hundred forty-five".