45120612163 has 16 divisors (see below), whose sum is σ = 49351996800. Its totient is φ = 40910935680.

The previous prime is 45120612157. The next prime is 45120612193. The reversal of 45120612163 is 36121602154.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45120612163 - 2⁹ = 45120611651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45120612193) 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, 14605323 + ... + 14608411.

It is an arithmetic number, because the mean of its divisors is an integer number (3084499800).

Almost surely, 2^45120612163 is an apocalyptic number.

45120612163 is a deficient number, since it is larger than the sum of its proper divisors (4231384637).

45120612163 is a wasteful number, since it uses less digits than its factorization.

45120612163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6162.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 45120612163 in words is "forty-five billion, one hundred twenty million, six hundred twelve thousand, one hundred sixty-three".