3145040245 has 4 divisors (see below), whose sum is σ = 3774048300. Its totient is φ = 2516032192.

The previous prime is 3145040243. The next prime is 3145040279. The reversal of 3145040245 is 5420405413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5420405413 = 4813 ⋅1126201.

It can be written as a sum of positive squares in 2 ways, for example, as 960132196 + 2184908049 = 30986^2 + 46743^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145040245 - 2¹ = 3145040243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145040243) 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, 314504020 + ... + 314504029.

It is an arithmetic number, because the mean of its divisors is an integer number (943512075).

Almost surely, 2^3145040245 is an apocalyptic number.

It is an amenable number.

3145040245 is a deficient number, since it is larger than the sum of its proper divisors (629008055).

3145040245 is an equidigital number, since it uses as much as digits as its factorization.

3145040245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629008054.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 3145040245 is about 56080.6583859355. The cubic root of 3145040245 is about 1465.1274406020.

Adding to 3145040245 its reverse (5420405413), we get a palindrome (8565445658).

The spelling of 3145040245 in words is "three billion, one hundred forty-five million, forty thousand, two hundred forty-five".