100133448 has 32 divisors (see below), whose sum is σ = 253507200. Its totient is φ = 32954688.

The previous prime is 100133431. The next prime is 100133459. The reversal of 100133448 is 844331001.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 24511 + ... + 28302.

It is an arithmetic number, because the mean of its divisors is an integer number (7922100).

Almost surely, 2^100133448 is an apocalyptic number.

It is an amenable number.

100133448 is an abundant number, since it is smaller than the sum of its proper divisors (153373752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100133448 is a wasteful number, since it uses less digits than its factorization.

100133448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52901 (or 52897 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 100133448 is about 10006.6701754380. The cubic root of 100133448 is about 464.3652618347.

Adding to 100133448 its reverse (844331001), we get a palindrome (944464449).

The spelling of 100133448 in words is "one hundred million, one hundred thirty-three thousand, four hundred forty-eight".