100505148 has 24 divisors (see below), whose sum is σ = 235955328. Its totient is φ = 33295536.

The previous prime is 100505113. The next prime is 100505161. The reversal of 100505148 is 841505001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23736 + ... + 27647.

It is an arithmetic number, because the mean of its divisors is an integer number (9831472).

Almost surely, 2^100505148 is an apocalyptic number.

It is an amenable number.

100505148 is an abundant number, since it is smaller than the sum of its proper divisors (135450180).

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

100505148 is a wasteful number, since it uses less digits than its factorization.

100505148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51553 (or 51551 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 100505148 is about 10025.2255834969. The cubic root of 100505148 is about 464.9391341307.

The spelling of 100505148 in words is "one hundred million, five hundred five thousand, one hundred forty-eight".