100303144 has 8 divisors (see below), whose sum is σ = 188068410. Its totient is φ = 50151568.

The previous prime is 100303139. The next prime is 100303157. The reversal of 100303144 is 441303001.

It can be written as a sum of positive squares in only one way, i.e., 54199044 + 46104100 = 7362^2 + 6790^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6268939 + ... + 6268954.

Almost surely, 2^100303144 is an apocalyptic number.

It is an amenable number.

100303144 is a deficient number, since it is larger than the sum of its proper divisors (87765266).

100303144 is a wasteful number, since it uses less digits than its factorization.

100303144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12537899 (or 12537895 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 100303144 is about 10015.1457303426. The cubic root of 100303144 is about 464.6274334877.

Adding to 100303144 its reverse (441303001), we get a palindrome (541606145).

The spelling of 100303144 in words is "one hundred million, three hundred three thousand, one hundred forty-four".