100148 has 6 divisors (see below), whose sum is σ = 175266. Its totient is φ = 50072.

The previous prime is 100129. The next prime is 100151. The reversal of 100148 is 841001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 85264 + 14884 = 292^2 + 122^2 .

It is a super-3 number, since 3×100148³ = 3013339723325376, which contains 333 as substring.

It is an Ulam number.

100148 is a modest number, since divided by 148 gives 100 as remainder.

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 100148.

It is an unprimeable number.

100148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515 + ... + 12522.

It is an arithmetic number, because the mean of its divisors is an integer number (29211).

2¹⁰⁰¹⁴⁸ is an apocalyptic number.

It is an amenable number.

100148 is a deficient number, since it is larger than the sum of its proper divisors (75118).

100148 is a wasteful number, since it uses less digits than its factorization.

100148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25041 (or 25039 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 100148 is about 316.4616880445. The cubic root of 100148 is about 46.4387755537.

Adding to 100148 its reverse (841001), we get a palindrome (941149).

The spelling of 100148 in words is "one hundred thousand, one hundred forty-eight".