45512050103 has 4 divisors (see below), whose sum is σ = 49012977048. Its totient is φ = 42011123160.

The previous prime is 45512050081. The next prime is 45512050109. The reversal of 45512050103 is 30105021554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30105021554 = 2 ⋅15052510777.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45512050103 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 (45512050109) 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, 1750463453 + ... + 1750463478.

It is an arithmetic number, because the mean of its divisors is an integer number (12253244262).

Almost surely, 2^45512050103 is an apocalyptic number.

45512050103 is a deficient number, since it is larger than the sum of its proper divisors (3500926945).

45512050103 is a wasteful number, since it uses less digits than its factorization.

45512050103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500926944.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 45512050103 its reverse (30105021554), we get a palindrome (75617071657).

The spelling of 45512050103 in words is "forty-five billion, five hundred twelve million, fifty thousand, one hundred three".