3145440223 has 8 divisors (see below), whose sum is σ = 3196655792. Its totient is φ = 3094350336.

The previous prime is 3145440197. The next prime is 3145440227. The reversal of 3145440223 is 3220445413.

It is a happy number.

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 3145440223 - 2⁵ = 3145440191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3145440191 and 3145440200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145440227) 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, 19711 + ... + 81727.

It is an arithmetic number, because the mean of its divisors is an integer number (399581974).

Almost surely, 2^3145440223 is an apocalyptic number.

3145440223 is a deficient number, since it is larger than the sum of its proper divisors (51215569).

3145440223 is an equidigital number, since it uses as much as digits as its factorization.

3145440223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62841.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 3145440223 is about 56084.2243683551. The cubic root of 3145440223 is about 1465.1895483290.

Adding to 3145440223 its reverse (3220445413), we get a palindrome (6365885636).

The spelling of 3145440223 in words is "three billion, one hundred forty-five million, four hundred forty thousand, two hundred twenty-three".