4554123345 has 20 divisors (see below), whose sum is σ = 8163688500. Its totient is φ = 2428865568.

The previous prime is 4554123331. The next prime is 4554123347. The reversal of 4554123345 is 5433214554.

4554123345 is a `hidden beast` number, since 45 + 541 + 2 + 33 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 640494864 + 3913628481 = 25308^2 + 62559^2 .

It is not a de Polignac number, because 4554123345 - 2⁸ = 4554123089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4554123347) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5621970 + ... + 5622779.

It is an arithmetic number, because the mean of its divisors is an integer number (408184425).

Almost surely, 2^4554123345 is an apocalyptic number.

4554123345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4554123345 is a deficient number, since it is larger than the sum of its proper divisors (3609565155).

4554123345 is a wasteful number, since it uses less digits than its factorization.

4554123345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11244766 (or 11244757 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 4554123345 is about 67484.2451613708. The cubic root of 4554123345 is about 1657.5562029221.

Adding to 4554123345 its reverse (5433214554), we get a palindrome (9987337899).

It can be divided in two parts, 45541 and 23345, that added together give a palindrome (68886).

The spelling of 4554123345 in words is "four billion, five hundred fifty-four million, one hundred twenty-three thousand, three hundred forty-five".