4520002745 has 8 divisors (see below), whose sum is σ = 5424657480. Its totient is φ = 3615566080.

The previous prime is 4520002741. The next prime is 4520002793. The reversal of 4520002745 is 5472000254.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 417344041 + 4102658704 = 20429^2 + 64052^2 .

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

It is not a de Polignac number, because 4520002745 - 2² = 4520002741 is a prime.

It is a super-3 number, since 3×4520002745³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4520002741) 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, 4790 + ... + 95199.

It is an arithmetic number, because the mean of its divisors is an integer number (678082185).

Almost surely, 2^4520002745 is an apocalyptic number.

It is an amenable number.

4520002745 is a deficient number, since it is larger than the sum of its proper divisors (904654735).

4520002745 is an equidigital number, since it uses as much as digits as its factorization.

4520002745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109035.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 4520002745 is about 67230.9656705896. The cubic root of 4520002745 is about 1653.4062165948.

Adding to 4520002745 its reverse (5472000254), we get a palindrome (9992002999).

The spelling of 4520002745 in words is "four billion, five hundred twenty million, two thousand, seven hundred forty-five".