45123255 has 12 divisors (see below), whose sum is σ = 78213720. Its totient is φ = 24065712.

The previous prime is 45123251. The next prime is 45123293. The reversal of 45123255 is 55232154.

It is a happy number.

45123255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45123255 - 2² = 45123251 is a prime.

It is a super-2 number, since 2×45123255² = 4072216283590050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45123251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501325 + ... + 501414.

It is an arithmetic number, because the mean of its divisors is an integer number (6517810).

Almost surely, 2^45123255 is an apocalyptic number.

45123255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45123255 is a deficient number, since it is larger than the sum of its proper divisors (33090465).

45123255 is a wasteful number, since it uses less digits than its factorization.

45123255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002750 (or 1002747 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 45123255 is about 6717.3845356656. The cubic root of 45123255 is about 356.0137787664.

The spelling of 45123255 in words is "forty-five million, one hundred twenty-three thousand, two hundred fifty-five".