45450042103 has 4 divisors (see below), whose sum is σ = 45580271800. Its totient is φ = 45319812408.

The previous prime is 45450042091. The next prime is 45450042109. The reversal of 45450042103 is 30124005454.

45450042103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45450042103 - 2¹³ = 45450033911 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 (45450042109) 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, 65114325 + ... + 65115022.

It is an arithmetic number, because the mean of its divisors is an integer number (11395067950).

Almost surely, 2^45450042103 is an apocalyptic number.

45450042103 is a deficient number, since it is larger than the sum of its proper divisors (130229697).

45450042103 is a wasteful number, since it uses less digits than its factorization.

45450042103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130229696.

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

Adding to 45450042103 its reverse (30124005454), we get a palindrome (75574047557).

The spelling of 45450042103 in words is "forty-five billion, four hundred fifty million, forty-two thousand, one hundred three".