3145340245 has 8 divisors (see below), whose sum is σ = 3779736120. Its totient is φ = 2512720320.

The previous prime is 3145340243. The next prime is 3145340249. The reversal of 3145340245 is 5420435413.

It can be written as a sum of positive squares in 4 ways, for example, as 134513604 + 3010826641 = 11598^2 + 54871^2 .

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

It is not a de Polignac number, because 3145340245 - 2¹ = 3145340243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145340243) 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, 440086 + ... + 447175.

It is an arithmetic number, because the mean of its divisors is an integer number (472467015).

Almost surely, 2^3145340245 is an apocalyptic number.

It is an amenable number.

3145340245 is a deficient number, since it is larger than the sum of its proper divisors (634395875).

3145340245 is an equidigital number, since it uses as much as digits as its factorization.

3145340245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887975.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 3145340245 is about 56083.3330411095. Note that the first 3 decimals coincide. The cubic root of 3145340245 is about 1465.1740244529.

Adding to 3145340245 its reverse (5420435413), we get a palindrome (8565775658).

The spelling of 3145340245 in words is "three billion, one hundred forty-five million, three hundred forty thousand, two hundred forty-five".