103442545 has 8 divisors (see below), whose sum is σ = 124197480. Its totient is φ = 82709760.

The previous prime is 103442531. The next prime is 103442551. The reversal of 103442545 is 545244301.

It can be written as a sum of positive squares in 4 ways, for example, as 3122289 + 100320256 = 1767^2 + 10016^2 .

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

It is not a de Polignac number, because 103442545 - 2⁹ = 103442033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7561 + ... + 16249.

It is an arithmetic number, because the mean of its divisors is an integer number (15524685).

Almost surely, 2^103442545 is an apocalyptic number.

It is an amenable number.

103442545 is a deficient number, since it is larger than the sum of its proper divisors (20754935).

103442545 is an equidigital number, since it uses as much as digits as its factorization.

103442545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 103442545 is about 10170.6708235003. The cubic root of 103442545 is about 469.4251989304.

Adding to 103442545 its reverse (545244301), we get a palindrome (648686846).

The spelling of 103442545 in words is "one hundred three million, four hundred forty-two thousand, five hundred forty-five".