45120103 has 4 divisors (see below), whose sum is σ = 51565840. Its totient is φ = 38674368.

The previous prime is 45120083. The next prime is 45120113. The reversal of 45120103 is 30102154.

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

It is a cyclic number.

It is not a de Polignac number, because 45120103 - 2⁵ = 45120071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45120113) 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, 3222858 + ... + 3222871.

It is an arithmetic number, because the mean of its divisors is an integer number (12891460).

Almost surely, 2^45120103 is an apocalyptic number.

45120103 is a deficient number, since it is larger than the sum of its proper divisors (6445737).

45120103 is an equidigital number, since it uses as much as digits as its factorization.

45120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445736.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 45120103 is about 6717.1499164452. The cubic root of 45120103 is about 356.0054890161.

Adding to 45120103 its reverse (30102154), we get a palindrome (75222257).

The spelling of 45120103 in words is "forty-five million, one hundred twenty thousand, one hundred three".