45450222123 has 16 divisors (see below), whose sum is σ = 62344822176. Its totient is φ = 29434229760.

The previous prime is 45450222119. The next prime is 45450222151. The reversal of 45450222123 is 32122205454.

It is not a de Polignac number, because 45450222123 - 2² = 45450222119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45450222113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764290 + ... + 821607.

It is an arithmetic number, because the mean of its divisors is an integer number (3896551386).

Almost surely, 2^45450222123 is an apocalyptic number.

45450222123 is a deficient number, since it is larger than the sum of its proper divisors (16894600053).

45450222123 is a wasteful number, since it uses less digits than its factorization.

45450222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586174.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 45450222123 its reverse (32122205454), we get a palindrome (77572427577).

The spelling of 45450222123 in words is "forty-five billion, four hundred fifty million, two hundred twenty-two thousand, one hundred twenty-three".