100271144 has 8 divisors (see below), whose sum is σ = 188008410. Its totient is φ = 50135568.

The previous prime is 100271137. The next prime is 100271153. The reversal of 100271144 is 441172001.

It can be written as a sum of positive squares in only one way, i.e., 93354244 + 6916900 = 9662^2 + 2630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266939 + ... + 6266954.

Almost surely, 2^100271144 is an apocalyptic number.

It is an amenable number.

100271144 is a deficient number, since it is larger than the sum of its proper divisors (87737266).

100271144 is a wasteful number, since it uses less digits than its factorization.

100271144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12533899 (or 12533895 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 100271144 is about 10013.5480225542. The cubic root of 100271144 is about 464.5780177575.

The spelling of 100271144 in words is "one hundred million, two hundred seventy-one thousand, one hundred forty-four".