100310445 has 12 divisors (see below), whose sum is σ = 173871516. Its totient is φ = 53498880.

The previous prime is 100310437. The next prime is 100310447. The reversal of 100310445 is 544013001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17464041 + 82846404 = 4179^2 + 9102^2 .

It is not a de Polignac number, because 100310445 - 2³ = 100310437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100310447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1114516 + ... + 1114605.

It is an arithmetic number, because the mean of its divisors is an integer number (14489293).

Almost surely, 2^100310445 is an apocalyptic number.

100310445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100310445 is a deficient number, since it is larger than the sum of its proper divisors (73561071).

100310445 is a wasteful number, since it uses less digits than its factorization.

100310445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229132 (or 2229129 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 100310445 is about 10015.5102216512. The cubic root of 100310445 is about 464.6387065228.

Adding to 100310445 its reverse (544013001), we get a palindrome (644323446).

The spelling of 100310445 in words is "one hundred million, three hundred ten thousand, four hundred forty-five".