4545183421 has 2 divisors, whose sum is σ = 4545183422. Its totient is φ = 4545183420.

The previous prime is 4545183407. The next prime is 4545183469. The reversal of 4545183421 is 1243815454.

4545183421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3428688025 + 1116495396 = 58555^2 + 33414^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545183421 - 2⁹ = 4545182909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4545183481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272591710 + 2272591711.

It is an arithmetic number, because the mean of its divisors is an integer number (2272591711).

Almost surely, 2^4545183421 is an apocalyptic number.

It is an amenable number.

4545183421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545183421 is an equidigital number, since it uses as much as digits as its factorization.

4545183421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 37.

The square root of 4545183421 is about 67417.9755035703. The cubic root of 4545183421 is about 1656.4708763342.

Adding to 4545183421 its reverse (1243815454), we get a palindrome (5788998875).

The spelling of 4545183421 in words is "four billion, five hundred forty-five million, one hundred eighty-three thousand, four hundred twenty-one".