4545040105 has 4 divisors (see below), whose sum is σ = 5454048132. Its totient is φ = 3636032080.

The previous prime is 4545040063. The next prime is 4545040111. The reversal of 4545040105 is 5010405454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5010405454 = 2 ⋅2505202727.

It can be written as a sum of positive squares in 2 ways, for example, as 2437495641 + 2107544464 = 49371^2 + 45908^2 .

It is not a de Polignac number, because 4545040105 - 2⁷ = 4545039977 is a prime.

It is a super-2 number, since 2×4545040105² = 41314779112116822050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454504006 + ... + 454504015.

It is an arithmetic number, because the mean of its divisors is an integer number (1363512033).

Almost surely, 2^4545040105 is an apocalyptic number.

It is an amenable number.

4545040105 is a deficient number, since it is larger than the sum of its proper divisors (909008027).

4545040105 is an equidigital number, since it uses as much as digits as its factorization.

4545040105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909008026.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 4545040105 is about 67416.9126035893. The cubic root of 4545040105 is about 1656.4534658688.

Adding to 4545040105 its reverse (5010405454), we get a palindrome (9555445559).

The spelling of 4545040105 in words is "four billion, five hundred forty-five million, forty thousand, one hundred five".