103540445 has 8 divisors (see below), whose sum is σ = 124309944. Its totient is φ = 82791424.

The previous prime is 103540439. The next prime is 103540471. The reversal of 103540445 is 544045301.

It can be written as a sum of positive squares in 4 ways, for example, as 91204 + 103449241 = 302^2 + 10171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103540445 - 2¹⁴ = 103524061 is a prime.

It is a super-3 number, since 3×103540445³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10157 + ... + 17613.

It is an arithmetic number, because the mean of its divisors is an integer number (15538743).

Almost surely, 2^103540445 is an apocalyptic number.

It is an amenable number.

103540445 is a deficient number, since it is larger than the sum of its proper divisors (20769499).

103540445 is an equidigital number, since it uses as much as digits as its factorization.

103540445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10239.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 103540445 is about 10175.4825438404. The cubic root of 103540445 is about 469.5732432271.

Adding to 103540445 its reverse (544045301), we get a palindrome (647585746).

The spelling of 103540445 in words is "one hundred three million, five hundred forty thousand, four hundred forty-five".