45040225123 has 4 divisors (see below), whose sum is σ = 45486168048. Its totient is φ = 44594282200.

The previous prime is 45040225063. The next prime is 45040225129. The reversal of 45040225123 is 32152204054.

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 45040225123 - 2¹⁷ = 45040094051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45040225091 and 45040225100.

It is not an unprimeable number, because it can be changed into a prime (45040225129) 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, 222971311 + ... + 222971512.

It is an arithmetic number, because the mean of its divisors is an integer number (11371542012).

Almost surely, 2^45040225123 is an apocalyptic number.

45040225123 is a deficient number, since it is larger than the sum of its proper divisors (445942925).

45040225123 is a wasteful number, since it uses less digits than its factorization.

45040225123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445942924.

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

Adding to 45040225123 its reverse (32152204054), we get a palindrome (77192429177).

The spelling of 45040225123 in words is "forty-five billion, forty million, two hundred twenty-five thousand, one hundred twenty-three".