4545402005 has 4 divisors (see below), whose sum is σ = 5454482412. Its totient is φ = 3636321600.

The previous prime is 4545401999. The next prime is 4545402041. The reversal of 4545402005 is 5002045454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 511754884 + 4033647121 = 22622^2 + 63511^2 .

It is not a de Polignac number, because 4545402005 - 2²⁸ = 4276966549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 454540196 + ... + 454540205.

It is an arithmetic number, because the mean of its divisors is an integer number (1363620603).

Almost surely, 2^4545402005 is an apocalyptic number.

It is an amenable number.

4545402005 is a deficient number, since it is larger than the sum of its proper divisors (909080407).

4545402005 is an equidigital number, since it uses as much as digits as its factorization.

4545402005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909080406.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 4545402005 is about 67419.5965947587. The cubic root of 4545402005 is about 1656.4974298812.

Adding to 4545402005 its reverse (5002045454), we get a palindrome (9547447459).

The spelling of 4545402005 in words is "four billion, five hundred forty-five million, four hundred two thousand, five".