103897445 has 4 divisors (see below), whose sum is σ = 124676940. Its totient is φ = 83117952.

The previous prime is 103897441. The next prime is 103897477. The reversal of 103897445 is 544798301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37540129 + 66357316 = 6127^2 + 8146^2 .

It is a cyclic number.

It is not a de Polignac number, because 103897445 - 2² = 103897441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103897441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10389740 + ... + 10389749.

It is an arithmetic number, because the mean of its divisors is an integer number (31169235).

Almost surely, 2^103897445 is an apocalyptic number.

It is an amenable number.

103897445 is a deficient number, since it is larger than the sum of its proper divisors (20779495).

103897445 is an equidigital number, since it uses as much as digits as its factorization.

103897445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20779494.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 103897445 is about 10193.0096144367. The cubic root of 103897445 is about 470.1123090596.

The spelling of 103897445 in words is "one hundred three million, eight hundred ninety-seven thousand, four hundred forty-five".