2530243145 has 8 divisors (see below), whose sum is σ = 3077885256. Its totient is φ = 1996465536.

The previous prime is 2530243139. The next prime is 2530243147. The reversal of 2530243145 is 5413420352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 185068816 + 2345174329 = 13604^2 + 48427^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2530243145 - 2⁶ = 2530243081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530243147) 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, 3465722 + ... + 3466451.

It is an arithmetic number, because the mean of its divisors is an integer number (384735657).

Almost surely, 2^2530243145 is an apocalyptic number.

It is an amenable number.

2530243145 is a deficient number, since it is larger than the sum of its proper divisors (547642111).

2530243145 is an equidigital number, since it uses as much as digits as its factorization.

2530243145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932251.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2530243145 is about 50301.5222930678. The cubic root of 2530243145 is about 1362.6597217015.

Adding to 2530243145 its reverse (5413420352), we get a palindrome (7943663497).

The spelling of 2530243145 in words is "two billion, five hundred thirty million, two hundred forty-three thousand, one hundred forty-five".