100148563 has 4 divisors (see below), whose sum is σ = 105419560. Its totient is φ = 94877568.

The previous prime is 100148549. The next prime is 100148579. The reversal of 100148563 is 365841001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100148563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100148593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2635470 + ... + 2635507.

It is an arithmetic number, because the mean of its divisors is an integer number (26354890).

Almost surely, 2^100148563 is an apocalyptic number.

100148563 is a deficient number, since it is larger than the sum of its proper divisors (5270997).

100148563 is an equidigital number, since it uses as much as digits as its factorization.

100148563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270996.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 100148563 is about 10007.4253931768. The cubic root of 100148563 is about 464.3886257487.

Adding to 100148563 its reverse (365841001), we get a palindrome (465989564).

The spelling of 100148563 in words is "one hundred million, one hundred forty-eight thousand, five hundred sixty-three".