3145332243 has 8 divisors (see below), whose sum is σ = 4204558800. Its totient is φ = 2091496928.

The previous prime is 3145332233. The next prime is 3145332247. The reversal of 3145332243 is 3422335413.

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 3145332243 - 2⁹ = 3145331731 is a prime.

It is a super-2 number, since 2×3145332243² = 19786229837710822098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3145332243.

It is not an unprimeable number, because it can be changed into a prime (3145332247) 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, 1346448 + ... + 1348781.

It is an arithmetic number, because the mean of its divisors is an integer number (525569850).

Almost surely, 2^3145332243 is an apocalyptic number.

3145332243 is a deficient number, since it is larger than the sum of its proper divisors (1059226557).

3145332243 is a wasteful number, since it uses less digits than its factorization.

3145332243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695621.

The product of its digits is 25920, while the sum is 30.

The square root of 3145332243 is about 56083.2617007963. The cubic root of 3145332243 is about 1465.1727819448.

Adding to 3145332243 its reverse (3422335413), we get a palindrome (6567667656).

The spelling of 3145332243 in words is "three billion, one hundred forty-five million, three hundred thirty-two thousand, two hundred forty-three".