100144928 has 24 divisors (see below), whose sum is σ = 212327388. Its totient is φ = 46220544.

The previous prime is 100144901. The next prime is 100144939. The reversal of 100144928 is 829441001.

It can be written as a sum of positive squares in 2 ways, for example, as 93934864 + 6210064 = 9692^2 + 2492^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100144928.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119951 + ... + 120782.

Almost surely, 2^100144928 is an apocalyptic number.

It is an amenable number.

100144928 is an abundant number, since it is smaller than the sum of its proper divisors (112182460).

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

100144928 is a wasteful number, since it uses less digits than its factorization.

100144928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240756 (or 240748 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 100144928 is about 10007.2437763852. The cubic root of 100144928 is about 464.3830071856.

Adding to 100144928 its reverse (829441001), we get a palindrome (929585929).

The spelling of 100144928 in words is "one hundred million, one hundred forty-four thousand, nine hundred twenty-eight".