103030045 has 4 divisors (see below), whose sum is σ = 123636060. Its totient is φ = 82424032.

The previous prime is 103030043. The next prime is 103030051. The reversal of 103030045 is 540030301.

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 32285124 + 70744921 = 5682^2 + 8411^2 .

It is a cyclic number.

It is not a de Polignac number, because 103030045 - 2¹ = 103030043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103030043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10303000 + ... + 10303009.

It is an arithmetic number, because the mean of its divisors is an integer number (30909015).

Almost surely, 2^103030045 is an apocalyptic number.

It is an amenable number.

103030045 is a deficient number, since it is larger than the sum of its proper divisors (20606015).

103030045 is an equidigital number, since it uses as much as digits as its factorization.

103030045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20606014.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 103030045 is about 10150.3716680721. The cubic root of 103030045 is about 468.8003887758.

Adding to 103030045 its reverse (540030301), we get a palindrome (643060346).

The spelling of 103030045 in words is "one hundred three million, thirty thousand, forty-five".