4545505 has 8 divisors (see below), whose sum is σ = 5509224. Its totient is φ = 3600000.

The previous prime is 4545479. The next prime is 4545509. The reversal of 4545505 is 5055454.

It can be written as a sum of positive squares in 4 ways, for example, as 824464 + 3721041 = 908^2 + 1929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4545505 - 2⁵ = 4545473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3996 + ... + 5005.

It is an arithmetic number, because the mean of its divisors is an integer number (688653).

Almost surely, 2^4545505 is an apocalyptic number.

It is an amenable number.

4545505 is a deficient number, since it is larger than the sum of its proper divisors (963719).

4545505 is a wasteful number, since it uses less digits than its factorization.

4545505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 4545505 is about 2132.0189961630. The cubic root of 4545505 is about 165.6509941401.

It can be divided in two parts, 4545 and 505, that multiplied together give a square (2295225 = 1515²).

The spelling of 4545505 in words is "four million, five hundred forty-five thousand, five hundred five".