4545001 has 4 divisors (see below), whose sum is σ = 4812372. Its totient is φ = 4277632.

The previous prime is 4544959. The next prime is 4545011. The reversal of 4545001 is 1005454.

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 4243600 + 301401 = 2060^2 + 549^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545001 - 2⁷ = 4544873 is a prime.

It is a Duffinian number.

4545001 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4545001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133660 + ... + 133693.

It is an arithmetic number, because the mean of its divisors is an integer number (1203093).

Almost surely, 2^4545001 is an apocalyptic number.

It is an amenable number.

4545001 is a deficient number, since it is larger than the sum of its proper divisors (267371).

4545001 is a wasteful number, since it uses less digits than its factorization.

4545001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267370.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4545001 is about 2131.9007950653. The cubic root of 4545001 is about 165.6448715210.

The spelling of 4545001 in words is "four million, five hundred forty-five thousand, one".